Download presentation
Presentation is loading. Please wait.
1
Phytoplankton
2
Phytoplankton Taxonomy Diatoms Dinoflagellates Coccolithophores Cyanobacteria others…
3
Diatoms Frustule valves (Silica) Pennate and Radial species Autotrophic
4
Diatoms
8
Diatom Asexual Reproduction
9
Dinoflagelates 2 Flagella (certain mobility) Theca plates (Cellulose) Autotrophic, heterotrophic & mixotrophic
11
Dinoflagelates
12
Diatoms vs Dinoflagellates Medium Light Intensity Medium Nutrients Temperate regions High Light Intensity Very Low Nutrients Tropical regions, low productivity regions
13
Light Adaptation
17
Alexandrium tamarense Paralytic Shellfish Poisoning (PSP)
18
Alexandrium spp. Blooms: - High temp. - Low salinity
19
Gambierdiscus toxicus Ciguatera Fish Poisoning (CFP)
21
Pseudo-nitzschia spp. Amnesic Shellfish Poisoning (ASP)
22
Demoic Acid
23
Kogia breviceps
24
Chaetoceros spp.
26
Coccolithofores Calcareous plates Small size – Nanoplankton (>20μm) Low productivity regions
27
Emiliania huxleyi www.earthguide.ucsd.edu
28
Florisphaera profunda www.earthguide.ucsd.edu
30
Phytoplankton Distribution
31
Cyanobacteria & other Prokaryotic Autotrophs Very small size – Picoplankton (>2μm) Deepest waters Open Ocean, low productivity
32
Cyanobacteria
33
Flow Cytometry
34
Identifying leukemias and lymphomas of mature B and T cells DNA ploidy analysis of solid cancerous tumors DNA fragment size quantification Ultrasensitive fluorescence detection
36
Flow Cytometry
38
Absorption Spectrum
39
Light Penetration
40
Light Adaptation High Light Adapted Low Light Adapted
41
Chlorophyll Concentration
43
Figure 15.1d
44
Figure 15.1e
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.