fig. 14-co, p. 379
DESCRIPTION
Fig. 14-CO, p. 379. Fig. 14-1a, p. 382. Fig. 14-1b, p. 383. Fig. 14-2a, p. 383. Net of nylon or Dacron mesh. Net bucket. Bridles. Clamp. Cable. Net ring. Weight. Plankton net fabric as seen under a microscope. Fig. 14-2a, p. 383. Fig. 14-2b, p. 383. Fig. 14-3, p. 384. - PowerPoint PPT PresentationTRANSCRIPT
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Fig. 14-CO, p. 379
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Fig. 14-1a, p. 382
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Fig. 14-1b, p. 383
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Fig. 14-2a, p. 383
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Fig. 14-2a, p. 383
Bridles Net of nylon or Dacron mesh Net bucket
Clamp
CableNet ring
Weight
Plankton net fabric as seen under a microscope
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Fig. 14-2b, p. 383
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Fig. 14-3, p. 384
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Fig. 14-4, p. 385
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Fig. 14-4, p. 385
Microbial loop vs “Official” food chain
Fishes
Microciliates microflagellates
Zooplankton
Dec
om
po
siti
on
, w
aste
s
Copepod
Phytoplankton Cyanobacteria
Was
tes,
dec
om
po
siti
on
Diatom Dinoflagellate Prochlorococcus Synechococcus
Dissolved organic material; inorganic
nutrients
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Fig. 14-4, p. 385
Fishes
Microciliates microflagellates
Dec
om
po
siti
on
, w
aste
s
Copepod
Phytoplankton Cyanobacteria
Was
tes,
dec
om
po
siti
on
Diatom Dinoflagellate Prochlorococcus Synechococcus
Dissolved organic material; inorganic
nutrients Stepped Art
Microbial loop vs “Official” food chain
Zooplankton
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Fig. 14-5a, p. 386
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Fig. 14-5b, p. 386
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Fig. 14-5c, p. 386
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Fig. 14-6a, p. 387
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Fig. 14-6b, p. 387
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Fig. 14-6b, p. 387
Inner valve
Outer valve
Diatom New valves forming
Cross section of diatoms
Auxospore formation
b
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Fig. 14-7a, p. 387
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Fig. 14-7b, p. 387
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Fig. 14-8a, p. 388
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Fig. 14-8b, p. 388
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Fig. 14-8c, p. 388
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Fig. 14-9, p. 389
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Fig. 14-9, p. 389
Buoy
Clear bottle
Opaque bottle
Pair 1
Autotrophs in the transparent bottles produce carbohydrates by photosynthesis and consume carbohydrates by respiration.
Autotrophs in the opaque bottles cannot produce carbohydrates by photosynthesis.
Pair 3 Eu
ph
oti
c zo
ne
It's darker down here, and the amount of carbohydrates produced may equal the amount consumed.
Pair 4
It may be so dark here that little photosynthesis can occur; consumption of carbohydrates would exceed production.
Pair 5
Dis
ph
oti
c zo
ne
Weight
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Box 14-1a/b, p. 390
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Box 14-1c, p. 391
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Fig. 14-10, p. 392
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Fig. 14-11, p. 393
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Fig. 14-11, p. 393
(ft)
(m)
Surface0 0
Photosynthesis rate
Photosynthesis inhibited here because of too much lightDepth of greatest productivity
100 Gross productivity
Lower light levels restrict photosynthesis down here
(Position of bottle pair 3 in Figure 14.9)50
200
Dep
th
Compensation depth (respiration equals photosynthesis) (Position of bottle pair 4 in Figure 14.9)
Bottom of euphotic zone300
100Respiration rate
Oxygen minimum zone
Net productivity
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Fig. 14-12, p. 395
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Fig. 14-13, p. 395
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Fig. 14-13, p. 395
More More More
Less Less LessWinter Spring Fall
a Tropical ocean b North Pacific c Northern polarNutrients Phytoplankton Water temperature
Summer Winter Spring FallSummer Winter Spring FallSummer
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Fig. 14-14, p. 396
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Fig. 14-15, p. 396
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Fig. 14-16a, p. 397
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Fig. 14-16b, p. 397
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Fig. 14-16c, p. 397
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Fig. 14-17, p. 397
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Fig. 14-18a, p. 399
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Fig. 14-18a, p. 399
Stipe
Gas bladder
Blade
Holdfast
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Fig. 14-18b, p. 399
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Fig. 14-19, p. 400
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Fig. 14-19, p. 400
KelpMangrove
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Fig. 14-20, p. 401
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Fig. 14-21, p. 401