Recent Comments. 1  KDM: Many modern vehicles have specific lifting points where the jack must be placed.... 2  Philip Werner: I definitely can't swing my leg over the back bag. Have to kick my foot as high... 3  Tom Bebee: Just wondering are there any issues with swinging your leg over the bag when mou...
From Wikipedia, the free encyclopedia. Stream metabolism, also known as aquatic ecosystem metabolism in lakes, can be expressed as net ecosystem productivity (NEP), the difference between gross primary productivity (GPP) and ecosystem respiration (ER).
An ecosystem is a living community of plant and animals sharing an environment with non-living elements such as climate and soil. Ecosystems exist on a variety of scales.An example of a small scale ecosystem (micro) is a pond. A medium scale ecosystem (messo) could be a forest.The tropical rainforest is an example of a very large ecosystem (biome). Sunlight is the main source of energy.cosystems exist on a variety of scales. An example of a small scale ecosystem (micro) is a pond. A medium scale ecosystem (messo) could be a forest. The tropical rainforest is an example of a very large ecosystem (biome).