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 ecologists (a person who studies ecology) use the concept of an ecosystem is to help understand how organisms live in a particular environment.Ecosystem is a system formed by a group of living organisms and non-living surroundings.An ecosystem is a place where organisms and their physical surroundings form a balanced environment that is different from others nearby. Ecosystems consist of three main parts: -Physical surroundings, such as rocks, soil and water.-Living organisms. -living and non-living factors that make up the environment.cosystem is a system formed by a group of living organisms and non-living surroundings. An ecosystem is a place where organisms and their physical surroundings form a balanced environment that is different from others nearby. Ecosystems consist of three main parts: -Physical surroundings, such as rocks, soil and water.