from nearby plants of other species. In the reference column of Table 1, only the first chromosome number report for a species is cited. The following subgenera, with the number Received for publication 13 Mar. 1995. Accepted for publication 14 July 1995. This research was funded by CRIS 5358-21000-011-000 at the U.S.
ecological. adj. 1. (Environmental Science) of or relating to ecology. 2. (Environmental Science) (of a practice, policy, product, etc) tending to benefit or cause minimal damage to the environment.
Ecosystem. Photo by: Vlad61. An ecosystem (or ecological system) is a collection of communities of organisms and the environment in which they live. Ecosystems can vary greatly in size. Some examples of small ecosystems are tidal pools, a home garden, or the stomach of an individual cow.Larger ecosystems might encompass lakes, agricultural fields, or stands of forests. Landscape-scale ecosystems encompass larger regions, and may include different terrestrial (land) and aquatic (water) communities.ome examples of small ecosystems are tidal pools, a home garden, or the stomach of an individual cow. Larger ecosystems might encompass lakes, agricultural fields, or stands of forests. Landscape-scale ecosystems encompass larger regions, and may include different terrestrial (land) and aquatic (water) communities.