ecosystem portfollio 3

pond ecosystem

biotic and abiotic factors

biotic: pond snail, pond skater, snapping turtle, mallard duck, water scorpion

abiotic: soil, water, air, sun, rocks

carrying capacity: the number of people ,other living organisms, or crops that a region can support without envoirmental degradation.

carrying capicity

carrying capacity~the number of people, other living organisms, or crops that a region can support without environmental degradation.

1~food

2~ water

3~shelter

4~ space  

limiting factors in the pond ecosystem can decrease because of limiting factors such as low food, forest fires, limiting amount of water, and etc.

limiting factors

limiting factors~A factor present in an environment that controls a process, particularly the growth, abundance or distribution of a population of organisms in an ecosystem

some limiting factors in the pond ecosystem are ice that freezes over in the winter so they cant com up to breath, chemicals the run off in to the water, over fishing, new preadetors, and etc

energy roles

producers~ algae, phytoplankton, and grass

herbivores~earthworm, mosquito, and dragonfly   

omnivores~pond skater, water scorpion, and back swimmer

carnivores~mallard duck, snapping turtle, and newt  

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