Download presentation
Presentation is loading. Please wait.
Published byTamsin Warren Modified over 9 years ago
1
21 HAPTOPHYTES
2
6 Oceans = 2/3 of Earth’s Surface Carbonate Deposits = ½ of Ocean Floor Haptophytes Contribute ¼ of Carbonate on Ocean Floor 7 **Haptophyte Significance
3
Haptophyte Significance 30 Haptophytes Contribute at least 25% of Vertical Carbon Transport to Ocean Floor (Graham et al. 2008)
4
14 15 Flagella, Haptonema
5
8 Haptonema Function 1)Obstacle Avoidance 2) Adhesion 3) Phagocytosis
6
1 External Covering 24 2) Organic Scales 1) Naked
7
Figs. 10.7, 10.8 in Graham et al. 2008 Organic Scale Formation
8
External Covering 3) Coccoliths
9
Coccosphere
10
A) Non-CoccolithiphoreB) Coccolithiphore Haptophyte Forms
11
HeterococcolithsHolococcoliths Coccoliths
12
Holococcolith Formation
13
Figs. 10.9 in Graham et al. 2008
14
Heterococcolith Formation Fig. 10.10 in Graham et al. 2008
15
Coccolith Function 1)Focusing Light 2)Limit Access by Bacteria, Viruses 3) Retard Herbivory 4) Buoyancy Regulation Fig. 10.13 in Graham et al. 2008
16
Coccolith Formation and Photosynthesis HCO 3 - + Ca 2+ CaCO 3 + CO 2 + H 2 O
17
Fig. 10.14 in Graham et al. 2008 Chloroplast Structure Four membranes Chl a, c, β-Carotene, Fucoxanthin
18
Putative Chloroplast Origin in Haptophytes
19
Cell Division (Mitosis, Cytokinesis) Fig. 10.15 in Graham et al. 2008
20
Heterococcoliths (2n) Holococcoliths (n) Sexual Life Cycle
21
Asexual Reproduction Holococcoliths Heterococcoliths Prymnesium Species A (n) Prymnesium Species B (2n)
22
28 Haptophyte Significance Isochrysis 29Pavlova lutheri
23
Phaeocystis is a Haptophyte. It forms a gelatinous colony. It is believed that their decaying remains are the cause of the foam on the sea shore. 10 Phaeocystis Colony 11 Haptophyte Significance
24
27 Chrysochromulina 26 Prymnesium parvum Haptophyte Significance
25
22 Phaeocystis Colony Emiliania Fig. 10.16 in Graham et al. 2008 Haptophyte Significance DMS (Volatile) Production
26
Haptophyte Significance 30 Haptophytes Contribute at least 25% of Vertical Carbon Transport to Ocean Floor (Graham et al. 2008)
27
6 Oceans = 2/3 of Earth’s Surface Carbonate Deposits = ½ of Ocean Floor Haptophytes Contribute ¼ of Carbonate on Ocean Floor 7 **Haptophyte Significance
28
12 13 Isle of Wight Chalk Cliffs 17 Haptophyte Significance
29
Putative Phylogeny
30
1 http://img.search.com/thumb/d/d1/Emiliania_huxleyi_3.jpg/ 250px-Emiliania_huxleyi_3.jpg 2 http://www.biol.tsukuba.ac.jp/~inouye/ino/h/phaeocystis.gif 3 http://www.b-s-p.org/bspnews/981/images/981-05a.png 4 http://www.microscopy-uk.org.uk/micropolitan/marine/algae/phaeocystis450.jpg 5 http://www.ucmp.berkeley.edu/chromista/coccolith.gif 6 http://hjs.geol.uib.no/marinemicro/maps/0-0-2-map- sediments-facies.jpg 7 Graham and Wilcox 2000 8 Fig. 10-3 in Graham and Wilcox 2000
31
9 http://www.metoffice.gov.uk/research/hadleycentre/models/carbon_cycle/ CDIAC_glob_c_cycle.gif 11 http://www.biol.tsukuba.ac.jp/~inouye/ino/h/phaeocystis.gif 10 http://www.microscopy-uk.org.uk/micropolitan/marine/algae/ phaeocystis450.jpg 12 https://www.biomedia.cellbiology.ubc.ca/cellbiol/media/images/ lrg625/1130048723_Akaroa_Bay-NZ-coccolith_of_Gephyrocapsa_oceanica- Apr-05_m05-2.jpg 13 Fig. 10-7 in Wilcox and Graham 2000 14 http://www.jochemnet.de/fiu/bot4404/Hapto_haptonema.jpg 15 http://www.jochemnet.de/fiu/hapto1.gif 16 Fig. 10-11 in Wilcox and Graham 2000 17 http://www-biol.paisley.ac.uk/bioref/Habitats/Needles_DSC_3524.jpg
32
18 http://web.mit.edu/esgbio/www/lm/sugars/cellulose.GIF 19 http://www.nature.com/news/2001/010118/images/cellulose_200.jpg 20 http://www.2spi.com/catalog/analytical/images/3d/calcium%http://www.2spi.com/catalog/analytical/images/3d/calcium% 20carbonate%20crystals.jpg 21 http://www.nhm.ac.uk/hosted_sites/ina/graphics/stampdetail.jpg 22 http://www-gte.larc.nasa.gov/img/able1.jpg 23 http://www.uth.tmc.edu/bmb/images/faculty-mary-marsh-fig2.jpg 24 http://www.uth.tmc.edu/bmb/images/faculty-mary-marsh-fig2.jpg 25 http://www.scielo.cl/fbpe/img/imar/v35n1/fig09-02.jpg 26 http://www.tpwd.state.tx.us/landwater/water/environconcerns/hab/ga/http://www.tpwd.state.tx.us/landwater/water/environconcerns/hab/ga/ images/p_parvumbuzan.jpg 27 http://www.jochemnet.de/fiu/bot4404/Hapto_Chrysochromulina2.gif 28 http://www.ag.auburn.edu/fish/image_gallery/data/media/32/oyster_food.jpg
33
29 http://www.lib.noaa.gov/korea/korean_aquaculture/algal.files/http://www.lib.noaa.gov/korea/korean_aquaculture/algal.files/ microalgal002.gif 30 http://www.e3alive.org/wp-content/uploads/2008/07/carboncycle.png
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.