©2011 The Regents of the University of California Science & Global Global & Science Marine Food Web Agenda MedCond, 9/9 Figure: 3299EcoTG 06_01Trans 3299 SEPUPSGI Ecology TG I ss u e s / E COLO shark G Y
flying fish DRAFT phytoplankton tuna zooplankton striped fish seal T R A N S P A R E NC Y 6.1 ©2011 The Regents of the University of California Science & Global Global & Science fish in the tank is 3 g, how many goldfish are in the tank? approximately 30 g. If the average weight of the gold- remaining biomass of the goldfish in the tank? each day? how much fish food would the entire fish tank need Fish Tank Problem
The biomass of all of the goldfish in a fish tank is If 20% of the fish in the tank died, what is the If each goldfish eats 0.025 g of fish food per day, How many goldfish is that?
2
4 g biomass tank 30g 0.025 g food a day 10 fish t 30g
t ank ank
I ss 3 u e s
/ 3 E 3 COLO 0.80
G 1 fish Y
3 g
3 5
5 1
fish 24 g biomass of goldfish remaining
DRAFT 3 g fish
10 fish tank
5
8 fish
5
0.25 g food a day tank T R A N S P A R E NC Y 6.2 ©2011 The Regents of the University of California Agenda MedCond, 9/9.5 Figure: 3299EcoTG 07_09Trans7_1 3299 SEPUPSGI Ecology TG Science & Global Global & Science Organisms inaFreshwater Ecosystem I ss u e s / E COLO G Y
DRAFT T R A N S P A R E NC Y 7.1 ©2011 The Regents of the University of California Science & Global Global & Science Food Web for anEcosystem Agenda MedCond, 9/9.5 Figure: 3299EcoTG 07_09Trans 3299 SEPUPSGI Ecology TG I ss u e s / E COLO G Y
DRAFT T R A N S P A R E NC Y 7.2 ©2011 The Regents of the University of California Science & Global Global & Science Kelp Forest Food Web I ss u e s / E COLO G Y sea otter harbor seal DRAFT herring rock fish sheephead fish
sea urchin bat star
bacteria zooplankton (feeds on all decaying matter)
giant kelp acid kelp cyanobacteria phytoplankton T R A N S P A R
E 3299 SEPUP SGI Ecology TG NC
Y Figure: 3299EcoTG 09_11Trans 9.1 Agenda MedCond 9/9 ©2011 The Regents of the University of California Science & Global Global & Science Carbon Cycle I ss u e s / E COLO G Y
DRAFT soil and plants combustion detritus
coal reserves fossil fuels
ocean waters
ocean biomass T R A N S P
A oil reserves R E NC Y 9.2
3299 SEPUP SGI Ecology SE new bleed area Figure: 3299EcoSB 08_06 new new bleed area Agenda MedCond 9/9.5 live area ©2011 The Regents of the University of California Science & Global Global & Science Linear Growth Curve Agenda MedCond 9/9.5 Figure: 3299EcoTG 14_06Trans 3299 SEPUP SGI Ecology TG 0 Population 0 I ss u e s / E COLO G Y
DRAFT Time T R A N S P A R E NC Y 14.1 ©2011 The Regents of the University of California Science & Global Global & Science Exponential Growth: J-Curve Agenda MedCond 9/9.5 Figure: 3299EcoTG 14_07Trans 3299 SEPUP SGI Ecology TG 0 Population 0 I ss u e s / E COLO G Y
DRAFT Time T R A N S P A R E NC Y 14.2 ©2011 The Regents of the University of California Science & Global Global & Science Carrying Capacity: S-Curve Agenda MedCond 9/9.5 Figure: 3299EcoTG 14_08Trans 3299 SEPUPSGI Ecology TG 0 Population 0 I ss u e s / E COLO G Y
DRAFT Time T R A N S P A R E NC Y 14.3 ©2011 The Regents of the University of California Science & Global Global & Science Population Crash Agenda MedCond 9/9.5 Figure: 3299EcoTG 14_09Trans 3299 SEPUP SGI Ecology TG 0 Population 0 I ss u e s / E COLO G Y
DRAFT Time T R A N S P A R E NC Y 14.4 ©2011 The Regents of the University of California Science & Global Global & Science Pacific Halibut Population I ss u e s / E COLO G Y
DRAFT Population level (relative) level Population
1970 1975 1980 1985 1990 1995 2000 2005 2010 Year
Pacific halibut T R A N S P
A 3299 SEPUP SGI Ecology TG R E
NC Figure: 3299EcoTG16_16Trans
Y Agenda MedCond 9/9.5 16.1 ©2011 The Regents of the University of California Science & Global Global & Science Pacific Halibut Food Chain I ss u e s / E COLO G Y
DRAFT
brittle star sablefish Pacific halibut
3299 SEPUP SGI Ecology TG Figure: 3299EcoTG16_17Trans T R
A Agenda MedCond 9/9 N S P A R E NC Y 16.2 ©2011 The Regents of the University of California Science & Global Global & Science Pacific-halibut-dominated Ecosystem Graph I ss u e s / E COLO G Y
DRAFT Population level (relative) level Population
1970 1975 1980 1985 1990 1995 2000 2005 2010 Year
brittle stars sablefish Pacific halibut T R A N S P A R E NC 3299 SEPUP SGI Ecology TG Y
16.3 Figure: 3299EcoTG16_18Trans Agenda MedCond 9/9.5