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Phytoplankton Sampling
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phytoplankton, monitoring, red tides, harmful algal bloom, monterey bay, monterey, santa cruz, net tow |
Week of Monday, February 28 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, March 2, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
---------------------------------------------------------------
Sample Date: Wednesday, March 02, 2011
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None
- Alexandrium: None
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Very few cells this week, lots of detritus/debris. Phytoplankton assemblage mostly Noctiluca and Ceratium.
Dinoflagellates:
C: Ceratium
C: Noctiluca
R: Prorocentrum
R: Protoperidinium
R: Dinophysis
R: Boreadinium
Diatoms:
P: Skeletonema
R: Licomorpha
R: Navicula
R: Thalassiosira
Other:
R: Dictyocha
* Environmental Information *
Time: 8:15 am
Collector: J. Lane/I. Hunter
Water Conditions (SCW)
Water Temperature: 11.2 C
Water Conditions: Stormy/rough
Water Color/Code: Green, 10GY 3/4
Water Visibility: 2 ft
Tide: High – 8:37, 5.0 ft
Surf Report: Stormy/mixed-up swell, 3-5 ft surf
NDBC buoy 46042
- Significant wave height: 12.5 ft
- Swell height/direction: 3.0 ft, W
- Wind wave height/direction: 12.1 ft, S
Weather Conditions (KudelaHawk)
Sky: Stormy
Air Temperature: 52.5 F (11.4 C)
Wind: 9.0 mph, ESE
Solar radiation: 20 watts/m^2 |
|
Week of Monday, February 21 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, February 23, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
----------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None
- Alexandrium: Rare
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Dramatic shift in the assemblage. Phytoplankton absolute abundance decreased. Very few diatoms in the sample, assemblage dominated by Prorocentrum.
Dinoflagellates:
A: Prorocentrum
P: Ceratium
P: Protoperidinium
R: Dinophysis
R: Gymnodinium
R: Gyrodinium
R: Boreadinium
R: Akashiwo
R: Polykrikos
R: Alexandrium
Diatoms:
C: Tropidoneis
R: Chaetoceros
R: Thalassiosira
R: Coscinodiscus
Other:
R: Dictyocha
* Environmental Information *
Time: 7:35 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 10.6 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 2/4
Water Visibility: +10 ft
Tide: Falling, Low @ 8:26, 0.3 ft
Surf Report: Building NW swell, 1-2 ft surf
NDBC buoy 46042
- Significant wave height: 9.5 ft
- Swell height/direction: 5.6 ft, NW
- Wind wave height/direction: 7.5 ft, NW
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 41.2 F (5.1 C)
Wind: 8.0 mph, NNW
Solar radiation: 85 watts/m^2 |
Sample Date: Wednesday, February 23, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
-------------------------------------es----------------------
-----------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Abundant
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
A few days of relief from the rains. Net chlorophyll biomass declined sharply from last week (ca. 10X to 0.46 ug /L; total chlorophyll 7.65 ug/ L by in vivo fluorescence). Pseudo-nitzschia cf australis and pungens dominate the assemblage although they remained at a similar abundance to last week (17,429 cells / L; 99% seriata size class, chains over 20 cells were observed in live samples). Dinoflagellates were rare. Detritus common.
Dinoflagellates:
R: Boreadinium cf
R: Ceratium macroceros
R: Dinophysis tripos
Diatoms:
A: Pseudo-nitzschia
P: Navicula
P: Bacillaria
P: Bacteriastrum
R: Nitzschia
R: Proboscia
R: Rhaphoneis
R: Chaetoceros
R: Ditylum
R: Guinardia
R: Pleurosigma
R: Skeletonema
Other:
P: Ovoid colorless flagellate
R: Dictyocha
R: Phaeocystis
R: Acantharians
* Environmental Information *
Time: 10:50 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark olive green
Water Temperature: 12.1 C
Water Visibility: 4m
Tide: rising, .3m, high at 1514
Sky: Intermittent sun, 50% cloud cover, clearing
Air temperature: 11.8 C
Wind: W 1-4 m/s |
Week of Monday, February 14 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, February 16, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Present
- Alexandrium: None
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Assemblage was similar to last week, dominated by Skeletonema and Chaetoceros. Decrease in dinoflagellates, increase in detritus/debris.
Dinoflagellates:
R: Prorocentrum
R: Ceratium
R: Dinophysis
R: Protoperidinium
R: Gymnodinium
R: Gyrodinium
R: Boreadinium
R: Noctiluca
R: Polykrikos
Diatoms:
A: Skeletonema
C: Chaetoceros
P: Pseudo-nitzschia
P: Lauderia
P: Thalassiosira
R: Thalassionema
R: Ditylum
R: Tropidoneis
R: Stephanopyxis
R: Cylindrotheca
R: Actinoptychus
R: Licomorpha
R: Eucampia
R: Dactyliosolen
R: Guinardia
R: Rhizosolenia
R: Lithodesmium
Other:
R: Dictyocha
* Environmental Information *
Time: 8:20 am
Collector: J. Lane/I. Hunter
Water Conditions (SCW)
Water Temperature: 10.8 C
Water Conditions: Choppy, strong surge
Water Color/Code: Green, 10GY 2/4
Water Visibility: 1 ft
Tide: High (8:08, 5.9 ft)
Surf Report: Mixed W-NW swell, 5-8 ft surf
NDBC buoy 46042
- Significant wave height: 11.5 ft
- Swell height/direction: 9.8 ft, WNW
- Wind wave height/direction: 5.6 ft, WSW
Weather Conditions (KudelaHawk)
Sky: Stormy
Air Temperature: 48.6 F (9.2 C)
Wind: 20.0 mph, W
Solar radiation: 121 watts/m^2 |
Sample Date: Wednesday, February 16, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
---------------------------es----------------------
---
-----------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Present
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
Sampling followed on the heels of an overnight/early morning storm set. The net phytoplankton community continues to bloom, with diatoms dominating. Net chlorophyll biomass increased again (ca. 2X to 4.43 ug /L; total chlorophyll 24.05 ug/ L by in vivo fluorescence). Skeletonema spp. along with a mix of nine Chaetocerus species comprise the bulk of the net sample. Pseudo-nitzschia spp. continue to increase in abundance (ca 2X to 14,272 cells / L; 97% seriata size class), chains over 20 cells were observed in live samples. Dinoflagellate abundance remained low, with Gyrodinium, Noctiluca and Polykrikos leading this group.
Dinoflagellates:
P: Noctiluca
P: Gyrodinium
P: Polykrikos
R: Prorocentrum micans
R: Dinophysis mitra
R: Ceratium furca
R: Ceratium teres
R: Ceratium lineatum
R: Gonyaulax spinifera
R: Protoperidinium
R: Scrippsiella
R: Gyrodinium
R: Gymnodinium cf
R: Boreadinium cf
R: cysts
Diatoms:
C: Chaetoceros
P: Thalassiosira
P: Pseudo-nitzschia
P: Eucampia
P: Ditylum
P: Lithodesmium
P: Thalassionema
C: Skeletonema
C: Melosira
P: Tropidoneis
P: Lauderia
P: Navicula
P: Cylindrotheca
P: Odontella
P: Leptocylindrus
P: Bacteriastrum
P: Nitzschia
P: Pseudoguinardia recta
R: Coscinodiscus
R: Guinardia
R: Pleurosigma
R: Asteromphalus
R: Stephanopyxis
Other:
P: Phaeocystis
P: Acantharians
P: Pale green flagellate
R: Dictyocha
R: Ovoid colorless flagellate
* Environmental Information *
Time: 10:55 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark olive green
Water Temperature: 11.2 C
Water Visibility: 4.5m
Tide: falling, 1.22m, low at 1521
Sky: Sunny, clearing, 30% cloud cover
Air temperature: 13.1 C
Wind: SW 4-9m/s |
Week of Monday, February 7 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, February 9, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
--------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Present
- Alexandrium: None
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Assemblage dominated by Skeletonema and Chaetoceros. Dinoflagellate and Pseudo-nitzchia abundances increased.
Dinoflagellates:
P: Prorocentrum
R: Ceratium
R: Dinophysis
R: Protoperidinium
R: Gonyaulax
R: Boreadinium
R: Noctiluca
R: Polykrikos
Diatoms:
A: Skeletonema
C: Chaetoceros
P: Pseudo-nitzschia
R: Thalassiosira
R: Thalassionema
R: Ditylum
R: Tropidoneis
R: Stephanopyxis
R: Coscinodiscus
R: Actinoptychus
R: Pleurosigma
R: Eucampia
R: Leptocylindrus
R: Guinardia
R: Lauderia
R: Odontella
R: Asterionellopsis
R: Lithodesmium
R: Navicula
R: Paralia
* Environmental Information *
Time: 8:10 am
Collector: J. Lane/I. Hunter
Water Conditions (SCW)
Water Temperature: 10.9 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 2/4
Water Visibility: 5 ft
Tide: Low (8:31, 1.6 ft)
Surf Report: WNW swell, 3-4 ft surf
NDBC buoy 46042
- Significant wave height: 8.9 ft
- Swell height/direction: 8.5 ft, NW
- Wind wave height/direction: 1.6 ft, NW
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 45.9 F (7.7 C)
Wind: 2.0 mph, ENE
Solar radiation: 163 watts/m^2 |
Sample Date: Wednesday, February 9, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
----------------------es----------------------
--------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Present
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
The winter spell of sunny, dry weather continues and cold water persists at this locale. The phytoplankton community has responded with its first bloom of the year. Net chlorophyll biomass increased significantly (ca. 10X to 2.04 ug /L; total chlorophyll 10.99 ug/ L by in vivo fluorescence). The net community is dominated by diatoms, with a mix of Chaetocerus species leading the way. Pseudo-nitzschia spp have increased in abundance (6,479 cells / L; 87% seriata size class), chains up to 10 cells were observed in live samples. Several Dinophysis spp. were observed.
Dinoflagellates:
P: Prorocentrum micans
P: Ceratium furca
P: Ceratium teres
P: Boreadinium cf
R: Dinophysis acuminata
R: Dinophysis fortii
R: Dinophysis tripos
R: Ceratium azicorum
R: Ceratium lineatum
R: Ceratium macroceros
R: Gonyaulax spinifera
R: Protoperidinium
R: Noctiluca
R: Scrippsiella
R: Gyrodinium (grey green)
R: Gymnodinium cf (lime green)
R: cysts
Diatoms:
C: Chaetoceros (7 species)
C: Skeletonema
C: Bacteriastrum
C: Stephanopyxis
P: Thalassiosira
P: Pseudo-nitzschia
P: Ditylum
P: Thalassionema
P: Melosira
P: Lauderia
P: Cylindrotheca
P: Leptocylindrus
P: Cerataulina
R: Coscinodiscus
R: Eucampia
R: Guinardia
R: Pleurosigma
R: Tropidoneis
R: Navicula
R: Odontella
R: Asterionellopsis
R: Nitzschia
R: Rhaphoneis
Other:
P: Phaeocystis
R: ovoid colorless flagellate
* Environmental Information *
Time: 10:15 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark green
Water Temperature: 11.4 C
Water Visibility: 3m
Tide: rising, .52m, mid-high at 1452
Sky: Sunny, clear
Air temperature: 10.9 C
Wind: NNW 5m/s, steady |
Week of Monday, January 31 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, February 2, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
--------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Rare
- Alexandrium: Rare
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Spring time is here, the phytoplankton are back – mostly diatoms. Diverse assemblage co-dominated by Thalassiosira, Skeletonema, and Chaetoceros.
Dinoflagellates:
R: Ceratium
R: Dinophysis
R: Gyrodinium
R: Prorocentrum
R: Protoperidinium
R: Alexandrium
Diatoms:
C: Thalassiosira
C: Skeletonema
C: Chaetoceros
R: Thalassionema
R: Ditylum
R: Tropidoneis
R: Stephanopyxis
R: Coscinodiscus
R: Asteromphalus
R: Pleurosigma
R: Eucampia
R: Pseudo-nitzschia
R: Leptocylindrus
R: Guinardia
R: Lauderia
R: Odontella
Other:
R: Dictyocha
* Environmental Information *
Time: 8:15 am
Collector: J. Lane/I. Hunter
Water Conditions (SCW)
Water Temperature: 11.1 C
Water Conditions: Calm
Water Color/Code: Green, 5GY 2/2
Water Visibility: +10 ft
Tide: Rising, High @ 9:25, 5.5 ft
Surf Report: WNW swell, 2-3 ft surf
NDBC buoy 46042
- Significant wave height: 4.9 ft
- Swell height/direction: 3.9 ft, WNW
- Wind wave height/direction: 2.6 ft, WNW
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 48.9 F (9.4 C)
Wind: 12.0 mph, E
Solar radiation: 161 watts/m^2 |
Sample Date: Tuesday, February 1, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
-------------------------es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Rare
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
Net chlorophyll biomass remains at low winter time levels (0.18 ug /L; total chlorophyll 2.83 ug/ L by in vivo fluorescence). Phytoplankton remain sparse and led by the diatoms Thalassiosira and Chaetoceros spp. A few chains of Pseudo-nitzschia (deli and seriata size classes) where observed in live samples (<200 cells / L). Dinophysis spp. were also rare.
Dinoflagellates: P: Ceratium teres
P: Scrippsiella
R: Prorocentrum micans
R: Dinophysis acuminata
R: Dinophysis fortii
R: Dinophysis tripos
R: Ceratium furca
R: Ceratium lineatum
R: Gonyaulax spinifera
R: Protoperidinium
Diatoms:
C: Chaetoceros(6 species)
C: Thalassiosira (4 species)
P: Coscinodiscus
P: Skeletonema
P: Lauderia
P: Navicula
P: Leptocylindrus
P: Bacteriastrum
P: Fragilariopsis
R: Pseudo-nitzschia
R: Eucampia
R: Ditylum
R: Guinardia
R: Pleurosigma
R: Thalassionema
R: Bacillaria
R: Asteromphalus
R: Nitzschia
R: Proboscia
R: Rhaphoneis
R: Pseudoguinardia recta
Other:
P: Dictyocha
P: Phaeocystis
* Environmental Information *
Time: 9:55 am
Collector: Jason Smith
Monterey local conditions
Water Color: blue green
Water Temperature: 11.8 C
Water Visibility: >>5m
Tide: falling, 1.68m, low at 1557
Sky: Sunny, clear
Air temperature: 10.5 C
Wind: NNW <1m/s
|
Week of Monday, January 24 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, January 26, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
-----------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Rare
Alexandrium: None
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Net tow was mostly detritus/debris, but phytoplankton abundance and diversity increased this week. Thalassiosira continues to dominate the assemblage.
Dinoflagellates:
R: Ceratium
R: Dinophysis
R: Amylax
R: Boreadinium
R: Prorocentrum
R: Protoperidinium
Diatoms:
A: Thalassiosira
C: Skeletonema
P: Chaetoceros
R: Paralia
R: Ditylum
R: Tropidoneis
R: Stephanopyxis
R: Coscinodiscus
R: Asterionellopsis
R: Pleurosigma
R: Pseudo-nitzschia
R: Leptocylindrus
* Environmental Information *
Time: 8:15 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 11.1 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 2/4
Water Visibility: 5 ft
Tide: Falling, Low @ 10:16, 0.7 ft
Surf Report: WNW swell, 3-5 ft surf
NDBC buoy 46042
- Significant wave height: 6.6 ft
- Swell height/direction: 6.2 ft, WNW
- Wind wave height/direction: 2.0 ft, NE
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 47.8 F (8.8 C)
Wind: 5.0 mph, NNW
Solar radiation: 135 watts/m^2 |
Sample Date: Friday, January 26, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
----------------es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None observed
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
Net chlorophyll biomass remains low (0.16 ug /L; total chlorophyll 8.28 ug/ L by in vivo fluorescence). Water clarity has increased as the wave and surge have subsided. The phytoplankton remains sparse led by diatoms predominantly Thalassiosira and Chaetocerus spp. (<2000 cells/L each). Dinoflagellate abundance declined. Dinophysis spp. were rare. Of note, a sub-adult male elephant seal was hauled out on nearby Del Monte Beach and looked rather lonely.
Dinoflagellates:
R: Prorocentrum micans
R: Dinophysis fortii
R: Ceratium tripos
R: Gyrodinium (grey green)
Diatoms:
C: Chaetoceros
C: Thalassiosira
P: Coscinodiscus
P: Guinardia
P: Skeletonema
P: Navicula
P: Nitzschia
P: Fragilariopsis
R: Ditylum
R: Pleurosigma
R: Rhizosolenia
R: Melosira
R: Asterionella
R: Bacteriastrum
Other:
C: Dictyocha
* Environmental Information *
Time: 10:00 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark green blue
Water Temperature: 10.9 C
Water Visibility: >5m
Tide: falling, .24m, low at 1041
Sky: Sunny, light haze
Air temperature: 11.5 C
Wind: n/a |
Week of Monday, January 17 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, January 19, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None
- Alexandrium: None
- Dinophysis: Present
- Cochlodinium: None
* Impressions *
Net tow was mostly detritus/debris. Decrease in phytoplankton diversity with very few phytoplankton cells (abundance calls are high – P=1 cell). Assemblage was mostly Thalassiosira.
Dinoflagellates:
P: Ceratium
P: Dinophysis
Diatoms:
A: Thalassiosira
C: Thalassionema
C: Paralia
P: Chaetoceros
P: Coscinodiscus
P: Navicula
P: Actinoptychus
Other:
P: Dictyocha
* Environmental Information *
Time: 8:40 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 11.7 C
Water Conditions: Moderate swell
Water Color/Code: Green, 10GY 2/4
Water Visibility: 2 ft
Tide: Rising, high @ 9:08, 6.2 ft
Surf Report: W swell, 6-10 ft surf
NDBC buoy 46042
- Significant wave height: 10.8 ft
- Swell height/direction: 8.5 ft, WSW
- Wind wave height/direction: 6.6 ft, SSW
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: na
Wind: na
Solar radiation: na |
Sample Date: Friday, January 21, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
---------------------es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None observed
- Alexandrium: None observed
- Dinophysis: Rare
-Cochlodinium: None observed
* Impressions *
Net chlorophyll biomass remains low (0.17 ug /L; total chlorophyll 6.67 ug/ L by in vivo fluorescence). Sample dominated by sediment ad detritus due to strong surge. No Pseudo-nitzschia spp were observed, but phytoplankton abundance has increased.
Dinoflagellates:
C: Prorocentrum micans
C: Scrippsiella
P: Gonyaulax spinifera
R: Prorocentrum cf lima
R: Dinophysis
R: Phalachroma rotundatum
R: Ceratium furca
R: Protoperidinium
R: Boreadinium
Diatoms:
A: Thalassiosira
C: Navicula
P: Chaetoceros
P: Coscinodiscus
P: Pleurosigma
P: Skeletonema
P: Cylindrotheca
P: Nitzschia
R: Ditylum
R: Lithodesmium
R: Thalassionema
R: Lauderia
R: Licomorpha
R: Bacteriastrum
Other:
P: ovoid colorless flagellate (1 um)
P: pale green flagellate (3 - 5 um)
P: Dictyocha
* Environmental Information *
Time: 10:00 am
Collector: Jason Smith
Monterey local conditions
Water Color: chalky green
Water Temperature: 10.5 C
Water Visibility: 5.5m
Tide: rising, 1.8m, high at 1045
Sky: Sunny and clear
Air temperature: 10.2 C
Wind: NW 1m/s |
Week of Monday, January 10 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, January 12, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
----------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None
- Alexandrium: None
- Dinophysis: Present
- Cochlodinium: None
* Impressions *
Protoperidinium and Ceratium dominated the sparse phytoplankton assemblage. Cell diversity and absolute cell numbers increased this week (but abundance calls are still high - R=1 cell, P>=2).
Dinoflagellates:
A: Ceratium
C: Protoperidinium
P: Prorocentrum
P: Boreadinium
P: Dinophysis
R: Gyrodinium
Diatoms:
P: Lithodesmium
P: Thalassiosira
P: Skeletonema
P: Pseudo-nitzschia
P: Coscinodiscus
P: Chaetoceros
P: Pleurosigma
R: Fragilariopsis
Other:
P: Dictyocha
* Environmental Information *
Time: 8:10 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 11.1 C
Water Conditions: Calm
Water Color/Code: Teal, 10G 2/6
Water Visibility: 7 ft
Tide: Falling, Low @ 11:01, 1.7 ft
Surf Report: Fading WNW/building WSW swell, 2-3 ft surf
NDBC buoy 46042
- Significant wave height: 5.6 ft
- Swell height/direction: 5.2 ft, WSW
- Wind wave height/direction: 1.3 ft, SSW
Weather Conditions (KudelaHawk)
Sky: Sunny w/clouds
Air Temperature: 50.5 F (10.3 C)
Wind: 6.0 mph, N
Solar radiation: 62 watts/m^2 |
Sample Date: Wednesday, January 12, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
-----------------es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None observed
- Alexandrium: None observed
- Dinophysis: None observed
-Cochlodinium: None observed
* Impressions *
Another sunny day on the bay. Underneath there's not much aside from sediment and detritus in the water. Net chlorophyll biomass remains low (0.05 ug /L; total chlorophyll 5.27 ug/ L by in vivo fluorescence). No Pseudo-nitzschia spp or other HA species were observed. Zooplankton remain abundant along with fecal pellets.
Dinoflagellates:
P: Prorocentrum micans
Diatoms:
A: Thalassiosira
P: Chaetoceros
P: Pleurosigma
P: Skeletonema
P: Navicula
P: Stephanopyxis
P: Nitzschia
Other:
P: ovoid colorless flagellate (1 um)
P: pale green flagellate (3 - 5 um)
* Environmental Information *
Time: 10:45 am
Collector: Jason Smith
Monterey local conditions
Water Color: green blue
Water Temperature: 11.3 C
Water Visibility: 3.5m
Tide: falling, .52m, low at 1126
Sky: Sunny, light haze
Air temperature: 12.8 C
Wind: NW <1m/s |
Week of Monday, January 3 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, January 5, 2011
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
-------------- _____-----
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Present
- Alexandrium: None
- Dinophysis: None
- Cochlodinium: None
* Impressions *
Very few cells in the net tow (saw less than 100, resulting in high abundance codes) with tons of detritus/debris. Prorocentrum (~15 cells) dominated the “assemblage.”
Dinoflagellates:
A: Prorocentrum
C: Ceratium
P: Boreadinium
P: Protoperidinium
P: Dinophysis
Diatoms:
C: Leptocylindrus
C: Thalassiosira
C: Thalassionema
P: Pseudo-nitzschia
P: Coscinodiscus
P: Paralia
Other:
P: Dictyocha
* Environmental Information *
Time: 7:55 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 10.6 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 2/4
Water Visibility: 3 ft
Tide: Rising, High @ 10:12, 5.7 ft
Surf Report: WNW-NW swell, 4-6 ft surf
NDBC buoy 46042
- Significant wave height: 8.5 ft
- Swell height/direction: 8.2 ft, WNW
- Wind wave height/direction: 2.6 ft, E
Weather Conditions (KudelaHawk)
Sky: Cloudy
Air Temperature: 40.6 F (4.8 C)
Wind: 7.0 mph, N
Solar radiation: 69 watts/m^2 |
Sample Date: Wednesday, January 5, 2011
At a glance:
Today___________Last Week------ __2 Weeks Ago-
--------t--es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: None observed
- Alexandrium: None observed
- Dinophysis: None observed
-Cochlodinium: None observed
* Impressions *
Spectacular day above the bay to start the new years sample series. Not much aside from sediment and detritus in the water. Net chlorophyll biomass remains low (0.08 ug /L; total chlorophyll 6.85 ug/ L by in vivo fluorescence). No Pseudo-nitzschia spp or other HA species were observed. Small flagellates (<3 um) were abundant and too active to ID. Zooplankton remain abundant along with fecal pellets.
Dinoflagellates:
P: Prorocentrum micans
P: Cysts
Diatoms:
C: Thalassiosira
P: Chaetoceros
P: Navicula
P: Nitzschia
P: Rhaphoneis
P: Pseudoguinardia recta
Other:
C: ovoid colorless flagellate (1 um)
C: pale green flagellate (3 - 5 um)
* Environmental Information *
Time: 10:30 am
Collector: Jason Smith
Monterey local conditions
Water Color: chalky green
Water Temperature: 11.4 C
Water Visibility: 3m
Tide: falling, just off high at 1011, 1.77m, low at 1729
Sky: Sunny and clear
Air temperature: 11.0 C
Wind: nd |
Week of Monday, December 27 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
No sample collected this week.
------- |
Sample Date: Wednesday, December 29, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago-
t--es------------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: No live cells
- Alexandrium: None observed
- Dinophysis: Present
-Cochlodinium: None observed
* Impressions *
Sampling occured at the tail end of our latest storm. Net chlorophyll biomass remains low (0.06 ug /L; total chlorophyll 11.24 ug/ L by in vivo fluorescence). Suspended sediment dominated the sample and net community was again almost non-existent but appeared to be an even mixture of diatoms and dinoflagellates (all <= 200 cells / L). No live Pseudo-nitzschia spp were observed, only occasional broken frustules. Small flagellates (<3 um) were abundant and too active to ID. Zooplankton were also abundant along with fecal pellets.
Dinoflagellates:
P: Dinophysis caudata
P: Ceratium azicorum
P: Ceratium macroceros
P: Gymnodinoid, brown oblong, apical cingulum, 50um x 25um
Diatoms:
P: Chaetoceros
P: Pleurosigma
P: Rhizosolenia
P: Lauderia
P: Navicula
P: Asteromphalus
P: Nitzschia
P: Rhaphoneis
Other:
P: Filamentous cyanobacteria
P: Phaeocystis
P: Dictyocha
C: ovoid colorless flagellate (1 um)
C: pale green flagellate (3 - 5 um)
* Environmental Information *
Time: 10:30 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark jade green
Water Temperature: 12.2 C
Water Visibility: 3m
Tide: falling, .37, low at 1215
Sky: Overcast, latest storm heading south
Air temperature: 11.6 C
Wind: NW, 7-9 m/s
|
Week of Monday, December 20 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, December 22, 2010
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
-- _____-----
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Common
- Alexandrium: Rare
- Dinophysis: Rare
- Cochlodinium: None observed
* Impressions *
Phytoplankton assemblage co-dominated by Pseudo-nitzschia, Prorocentrum and Ceratium.
Dinoflagellates:
C: Prorocentrum
C: Ceratium
R: Protoperidinium
R: Alexandrium
R: Akashiwo
R: Dinophysis
R: Noctiluca
R: Boreadinium
R: Polykrikos
Diatoms:
C: Pseudo-nitzschia
R: Ditylum
R: Tropidoneis
R: Thalassiosira
R: Chaetoceros
R: Coscinodiscus
R: Cerataulina
R: Guinardia
R: Thalassionema
R: Navicula
R: Pleurosigma
Other:
R: Dictyocha
* Environmental Information *
Time: 8:45 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 13.1 C
Water Conditions: Strong surge
Water Color/Code: Brown/green, 5GY 2/2
Water Visibility: 2 ft
Tide: Rising, High @ 10:02, 6.2 ft
Surf Report: Mixed W & SW swell, 3-4 ft surf
NDBC buoy 46042
- Significant wave height: 6.6 ft
- Swell height/direction: 6.6 ft, S
- Wind wave height/direction: 1.6 ft, S
Weather Conditions (KudelaHawk)
Sky: Cloudy
Air Temperature: 53.1 F (11.7 C)
Wind: 5.0 mph, N
Solar radiation: 76 watts/m^2 |
Sample Date: Wednesday, December 22, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago-
----------------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Common
- Alexandrium: None observed
- Dinophysis: Present
-Cochlodinium: None observed
* Impressions *
The recent storm set took a break just in time for weekly sampling. Net Chlorophyll biomass declined precipitously (ca. 7X to 0.04 ug /L; total chlorophyll 6.24 ug/ by in vivo fluorescence). Net community was almost non-existent but appeared to be an even mixture of diatoms and dinoflagellates (all <= 200 cells / L). Pseudo-nitzschia spp continued to declined (ca 29X to 204 cells /L; 100% seriata size class). Small flagellates (<3 um) were abundant and too active to ID. Zooplankton were also abundant along with fecal pellets.
Dinoflagellates:
P: Prorocentrum micans
P: Dinophysis tripos
P: Ceratium furca
P: Ceratium azicorum
P: Ceratium macroceros
Diatoms:
P: Thalassiosira
P: Pseudo-nitzschia
P: Ditylum
P: Navicula
P: Asteromphalus
P: Fragilariopsis
P: Rhaphoneis spp.
Other:
P: Filamentous cyanobacteria
P: Phaeocystis
C: ovoid colorless flagellate (1 um)
C: pale green flagellate (3 - 5 um)
* Environmental Information *
Time: 10:40 am
Collector: Jason Smith
Monterey local conditions
Water Color: jade green
Water Temperature: 12.0 C
Water Visibility: 4.5m
Tide: falling, 1.89, low at 1734
Sky: Sunny, 50% cloud, break from 5 day storm set
Air temperature: 12.8 C
Wind: NW, <1 m/s |
Week of Monday, December 13 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, December 15, 2010
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
------------- _____-----
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Abundant
- Alexandrium: Rare
- Dinophysis: Rare
- Cochlodinium: Rare
* Impressions *
Phytoplankton assemblage dominated by Pseudo-nitzschia. Increases in Prorocentrum and Ceratium abundances.
Dinoflagellates:
C: Prorocentrum
C: Ceratium
P: Protoperidinium
R: Alexandrium
R: Akashiwo
R: Dinophysis
R: Gonyaulax
R: Gymnodinium
R: Noctiluca
R: Boreadinium
R: Polykrikos
R: Cochlodinium
Diatoms:
A: Pseudo-nitzschia
P: Ditylum
R: Tropidoneis
R: Thalassiosira
R: Chaetoceros
R: Coscinodiscus
R: Eucampia
R: Lauderia
R: Paralia
R: Proboscia
R: Stephanopyxis
R: Thalassionema
R: Skeletonema
R: Lithodesmium
Other:
R: Dictyocha
* Environmental Information *
Time: 7:35 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 12.5 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 2/4
Water Visibility: 5 ft
Tide: Falling, High @ 5:21, 5.0 ft
Surf Report: Mixed WNW-NW & SW swell, 3-4 ft surf
NDBC buoy 46042
- Significant wave height: 8.5 ft
- Swell height/direction: 8.5 ft, WNW
- Wind wave height/direction: 1.3 ft, W
Weather Conditions (KudelaHawk)
Sky: Overcast
Air Temperature: 47.8 F
Wind: 11.0 mph, NNW
Solar radiation: 17 watts/m^2 |
Sample Date: Wednesday, December 15, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago-
-----------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Common
- Alexandrium: Rare
- Dinophysis: Present
-Cochlodinium: Rare
* Impressions *
Net Chlorophyll biomass continues to bounce around winter lows, with a decline this week relative to last sample ( ca 0.25X to 0.28 ug /L; total chlorophyll 10.48 ug/ by in vivo fluorescence). Net community was sparse with dinoflagellates leading the way. Pseudo-nitzschia spp declined sharply (ca 0.1X to 5,899 cells /L; 75% seriata size class). Dinoflagellates also at low abundance were led by Prorocentrum micans (1,106 cells / L) along with Ceratium furca species at similar abundance. HA species Alexandrium spp Cochlodinium spp and several Dinophysis spp were observed in sample. Weather clearing following a rainy and cold Tuesday.
Dinoflagellates:
C: Ceratium furca
C: Prorocentrum micans
P: Dinophysis fortii
P: Protoperidinium
P: Polykrikos
P: Gymnodinium cf (< 10 um brown)
P: Gymnodinium cf
P: Boreadinium cf
R: Dinophysis caudata
R: Dinophysis tripos
R: Phalachroma rotundatum
R: Ceratium teres
R: Ceratium lineatum
R: Ceratium fusus
R: Gonyaulax spinifera
R: Alexandrium
R: Scrippsiella
R: Gyrodinium (pink tipped)
R: Gyrodinium (grey green)
R: Cochlodinium
R: Lingulodinium polyedrum
Diatoms:
C: Pseudo-nitzschia
C: Proboscia
P: Chaetoceros
P: Thalassiosira
P: Ditylum
P: Asteromphalus
P: Bacteriastrum
R: Pleurosigma
R: Skeletonema
R: Tropidoneis
R: Lauderia
R: Navicula
R: Cylindrotheca
R: Stephanopyxis
R: Fragilariopsis
Other:
R: Dictyocha
R: Acantharians
* Environmental Information *
Time: 10:20 am
Collector: Jason Smith
Monterey local conditions
Water Color: dark green
Water Temperature: 12.0 C
Water Visibility: 3m
Tide: falling, .70, low at 1302
Sky: Overcast
Air temperature: 11.7 C
Wind: NW, <1 m/s |
Week of December 6 |
Rare (R): <1%; Present (P): 1 - 9%; Common (C): 10 - 49%; --Abundant (A): >= 50% |
Sample Date: Wednesday, December 8, 2010
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
------------- _____-----
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Abundant
- Alexandrium: Rare
- Dinophysis: Rare
- Cochlodinium: None
* Impressions *
Pseudo-nitzschia continues to dominate the phytoplankton assemblage. Diatom and dinoflagellate diversity remains high. Increase in detritus/debris.
Dinoflagellates:
P: Prorocentrum
P: Ceratium
R: Protoperidinium
R: Alexandrium
R: Akashiwo
R: Dinophysis
R: Gonyaulax
R: Gymnodinium
R: Noctiluca
R: Boreadinium
Diatoms:
A: Pseudo-nitzschia
P: Ditylum
R: Tropidoneis
R: Thalassiosira
R: Chaetoceros
R: Licomorpha
R: Coscinodiscus
R: Eucampia
R: Lauderia
R: Detonula
R: Pleurosigma
R: Guinardia
R: Paralia
R: Proboscia
P: Rhizosolenia
R: Stephanopyxis
R: Thalassionema
R: Actinoptychus
R: Bacteriastrum
Other:
R: Dictyocha
* Environmental Information *
Time: 7:20 am
Collector: J. Lane
Water Conditions (SCW)
Water Temperature: 11.7 C
Water Conditions: Strong swell
Water Color/Code: Green, 10GY 3/4
Water Visibility: 3 ft
Tide: Rising, Low @ 5:26, 3.2 ft
Surf Report: WNW swell, 4-5 ft surf
NDBC buoy 46042
- Significant wave height: 8.2 ft
- Swell height/direction: 8.2 ft, W
- Wind wave height/direction: 2.1 ft, ENE
Weather Conditions (KudelaHawk)
Sky: Overcast, rain on the way…
Air Temperature: 49.3 F
Wind: 6.0 mph, N
Solar radiation: 5 watts/m^2
|
Sample Date: Wednesday, December 8, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago--------------------------------------------
* Quick Phytoplankton Observations *
- Pseudo-nitzschia: Common
- Alexandrium: Rare
- Dinophysis: Present
-Cochlodinium: None
* Impressions *
Net Chlorophyll biomass increased relative to last week's sample ( ca 2.4X to 1.11 ug /L; total chlorophyll 18.33 ug/ by in vivo fluorescence). Net community was diverse with diatoms regaining dominance. Pseudo-nitzschia spp increased relative to last sample (ca 5X to 58,923 cells /L; 46% seriata size class). Dinoflagellates although at decreased abundance, were diverse and led by Prorocentrum micans (1,002 cells / L) along with a mix of Ceratium species at similar abundance. Alexandrium spp and several Dinophysis spp were observed in sample.
Dinoflagellates (indicate Relative Abundance)
P- Prorocentrum micans
P- Ceratium furca
P- Ceratium teres
P- Ceratium azicorum
P- Scrippsiella spp
P- Gymnodinium cf
R- Boreadinium cf
R- Polykrikos spp.
R- Lingulodinium polyedrum
R- Ceratium lineatum
R- Ceratium macroceros
R- Ceratium fusus
R- Gonyaulax spinifera
R- Protoperidinium spp.
R- Alexandrium spp.
R- Noctiluca spp
R- Akashiwo sanguinae
R- Dinophysis accuminata
R- Dinophysis fortii
R- Dinophysis caudata
R- Dinophysis mitra
R- Dinophysis tripos
Diatoms:
P- Thalassiosira spp
P- Astermphalus
P- Bacteriastrum spp.
C- Proboscia spp
C- Rhizoselenia spp
C- Pseudo-nizchia spp.
C- Ditylum spp.
C- Chaetocerus spp.
R- Nitzschia spp
R-Thalassiothrix spp
R- Skeletonema spp
R- Tropidoneis spp
R- Lauderia spp
R- Navicula spp
R- Cylindrotheca spp.
R- Guinardia spp
R- Pleurosigma spp
R- Eucampia spp
R- Coscinodiscus spp
Other:
R- Dictyocha
R-Phaeocystis
* Environmental Information *
Sampler: Jason Smith
Sampling time: 9:45 am
Monterey local conditions
Water color: dark blue green
Water temperature: 11.8 C
Water visibility: >5m
Tide: rising, 1.62, high at 11:05
Sky: Overcast
Weather
Air temperature: 12.6 C
Wind: not detected |
Week of November 29 |
Week of November 29 |
Sample date: Wednesday, December 1, 2010
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
----------- _____- --
Quick phyto report:
Pseudo-nitzschia spp.: Abundant
Alexandrium spp.: None observed
Dinophysis spp.: Rare
Cochlodinium.: None observed
Full report:
Sampler: Jenny Lane
Sampling time: 7:20 am
SCW local conditions
Water color: Green
Water color code: 10GY 2/4
Water temperature: 10.9 C
Water visibility: 10 ft
Water conditions: Calm
Tide: High at 6:10 am (5.73 ft)
Sky: Sunny
Surf reports: Old swell mix (NW, SW), mostly flat
KudelaHawk weather Air temperature: 38.7 F
Wind: NNW, 4.0 mph
Solar radiation: 36 watts/m^2
NDBC buoy 46042 Significant wave height: 4.3 ft
Swell height/direction: 4.3 ft/WNW
Wind wave height/direction: 0.3 ft/ENE
Sampling observations Surface foam: None observed.
Net tow: Pale tan.
Week-to-week observations of particular note:
- Phytoplankton assemblage dominated by Pseudo-nitzschia.
- Assemblage composition similar to last week.
Assemblage observations:
Diatoms:
Pseudo-nitzschia
Ditylum
Other diatoms: each <1% of assemblage (i.e. "rare") Actinoptychus
Chaetoceros
Coscinodiscus
Eucampia
Guinardia
Lauderia
Leptocylindrus
Lithodesmium
Paralia
Pleurosigma
Skeletonema
Stephanopyxis
Thalassionema
Thalassiosira
Tropidoneis
Dinoflagellates:
Prorocentrum
Other dinoflagellates: each <1% of assemblage (i.e. "rare")
Akashiwo
Boreadinium-like
Ceratium
Dinophysis
Gonyaulax
Gymnodinium
Protoperidinium
Other:
Dictyocha |
Sample date: Wednesday, December 1, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago------------------------ ---------- --------
Quick phyto report:
Pseudo-nitzschia spp.: Common
Alexandrium spp.: Rare
Dinophysis spp.: Present
Cochlodinium.: None observed
Full report:
Sampler: Jason Smith
Sampling time: 10:10 am
Monterey local conditions
Water color: jade green
Water temperature: 10.3 C
Water visibility: 4.5m
Tide: falling, .79, low at 1321
Sky: Sunny and clear
Weather
Air temperature: 11.5 C
Wind: not detected
Impressions:
Net Chlorophyll biomass decreased relative to last week's sample ( ca 0.5X to 0.47 ug /L) while total chlorophyll biomass was stable (7.35 ug / L by in vivo fluorescence). Net community was a near equal mix of diatoms and dinoflagellates. Pseudo-nitzschia spp decreased from last week (ca 0.3X to 12,218 cells /L; 77% seriata size class), broken frustules and chlorotic cells were present. Dinoflagellates were again led by Prorocentrum micans (4,073 cells / L, ca 4X increase). Alexandrium spp and Dinophysis spp were observed in sample. The sampling locale was host to a swarm of brown nettles (ca 3 in bell dia, >20 jellies / m^2).
Assemblage observations:
Diatoms: Chaetoceros
Thalassiosira
Pseudo-nitzschia
Eucampia
Ditylum
Astermphalus
Proboscia
Pseudoguinardia recta
Other diatoms: each <1% of assemblage (i.e. "rare")
Rhaphoneis
Leptocylindrus
Stephanopyxis
Cerataulina
Nitzschia
Rhizoselenia
Thalassiothrix
Thalassionema
Tropidoneis
Navicula
Dinoflagellates:
Prorocentrum micans
Dinophysis accuminata
Ceratium furca
Polykrikos
Boreadinium
Other dinoflagellates: each <1% of assemblage (i.e. "rare")Akashiwo sanguinae
Dinophysis fortii
Ceratium teres
Protoperidinium
Alexandrium
Gyrodinium
Cochlodinium
Lingulodinium polyedrum
Gymnodinium
Other:
Phaeocystis
Dictyocha |
Week of November 22 |
Week of November 22 |
Sample date: Wednesday, November 24, 2010
At a glance:
Today___________Last Week------ __ 2 Weeks Ago-
____- --
Quick phyto report:
Pseudo-nitzschia spp.: Abundant
Alexandrium spp.: None observed
Dinophysis spp.: None observed
Cochlodinium.: None observed
Full report:
Sampler: Jenny Lane
Sampling time: 8:20 am
SCW local conditions
Water color: Green
Water color code: 10GY 2/4
Water temperature: 11.9 C
Water visibility: 7 ft
Water conditions: Calm
Tide: Low at 5:16 am (3.17 ft)
Sky: Sunny
Surf reports: Mixed swell (NW, SSW), 1-2 ft surf
KudelaHawk weather Air temperature: 39.7 F
Wind: NNE, 8.0 mph
Solar radiation: 198 watts/m^2
NDBC buoy 46042 Significant wave height: 9.5 ft
Swell height/direction: 8.5 ft/NW
Wind wave height/direction: 3.9 ft/NW
Sampling observations Surface foam: Small foam patches near sampling area.
Net tow: Pale tan.
Week-to-week observations of particular note: - Phytoplankton assemblage dominated by Pseudo-nitzschia.
- Otherwise, a relatively mixed/diverse sample.
Assemblage observations:
Diatoms:
Pseudo-nitzschia
Ditylum
Other diatoms: each <1% of assemblage (i.e. "rare") Asterionellopsis
Bacteriastrum
Chaetoceros
Coscinodiscus
Eucampia
Guinardia
Lithodesmium
Odontella
Pleurosigma
Rhizosolenia
Skeletonema
Stephanopyxis
Thalassionema
Thalassiosira
Tropidoneis
Dinoflagellates:
Prorocentrum
Other dinoflagellates: each <1% of assemblage (i.e. "rare")
Akashiwo
Ceratium
Gonyaulax
Noctiluca
Protoperidinium
Pyrocystis
Other:
Dictyocha |
Sample date: Wednesday, November 17, 2010
At a glance:
Today___________Last Week------ __2 Weeks Ago-------------------- --
-------- --------
Quick phyto report:
Pseudo-nitzschia spp.: Common
Alexandrium spp.: None observed
Dinophysis spp.: Rare
Cochlodinium.: Rare
Full report:
Sampler: Jason Smith
Sampling time: 10:25 am
Monterey local conditions
Water color: jade green
Water temperature: 10.6 C
Water visibility: 3.5m
Tide: rising, 1.77, high at 1056
Sky: Sunny, clear and crisp
Weather
Air temperature: 7.2 C
Wind: no
Impressions:
Net Chlorophyll biomass was similar to last week's sample ( 0.93 ug /L and 7.59 ug / L total by in vivo fluorescence). Community has shifted back to diatom dominance. Pseudo-nitzschia spp increased 3X over last week (37,275 cells /L; 71% seriata size class). Dinoflagellates declined in abundance but remained diverse with Prorocentrum micans leading they way at ca 1/9th the abundance of last sample (1,190 cells / L). Cochlodinium spp and Dinophysis spp were observed but rare in sample. Cyanobacterial filaments were common and seemed to be associated with buoyant turbidity fronts that passed through the sampling locale. Water temperature again decreased by ca 2 oC over last week.
Assemblage observations:
Diatoms: Chaetoceros
Thalassiosira
Pseudo-nitzschia
Ditylum
Skeletonema
Proboscia
Rhaphoneis
Other diatoms: each <1% of assemblage (i.e. "rare") Pseudoguinardia recta
Melosira
Corethron
Tropidoneis
Navicula
Cylindrotheca
Odontella
Asterionella
Stephanopyxis
Cerataulina
Nitzschia
Guinardia
Pleurosigma
Rhizoselenia
Thalassionema
Eucampia
Coscinodiscus
Dinoflagellates:
Prorocentrum micans
Ceratium furca
Polykrikos
Boreadinium
Other dinoflagellates: each <1% of assemblage (i.e. "rare")Akashiwo sanguinae
Ceratium teres
Ceratium macroceros
Gonyaulax spinifera
Protoperidinium
Dinophysis fortii
Dinophysis caudata
Cochlodinium
Gymnodinium
Other:
Phaeocystis
Dictyocha
Filamentous cyanobacteria |
|