9/9 APES Eutrophication +

fantastic weather, today and yesterday did this knowt outside

how many dead zones about

500

When all systems work together without humans

Dynamic Equilibirum - more fox = less rabbit = less fox = more rabbit

negative feedback loop

more fox = less rabbit = less fox = more rabbit (ends up being fairly positive for populaiton

Positive feedback loop

Algal bloom, exponential growth of a species that isnt limited

ALBEDO effect

Ability for surface to reflect sunlight

Moon has high Albedo

Airshed (niche)

where all the water in the weather goes, bigger than watershed

How to read fertilzer

nitrogen, phosphorus, potash

Spheres

Biosphere, Lithosphere, Hydrosphere, Atmoshere

Ecological Communitues ONLY

include living organisms

Esturary

Mix of fresh and sea water

Secondary Production

energy used by consumers to generate biomass

NPP = (equation

GPP - R

NPP =

net primary production

GPP

gross primary production

high primary production

algal beds, tropical rain forests

low primary production

deserts tundra

Nutrients

Elements and compounds NEED for survival.

Macronutrients

Big/ need large amounts

Micronutrients

small/need small amounts