Definīcija:An influence that results from biological agents, including biotic factors such as lack of sunshine and physiologic factors like hormones. For example, death rates of white-tailed deer, Odocoilus, increase along highways during rutting season at night
VVC izstrādātie lauksaimniecības, mežsaimniecības, zivsaimniecības un pārtikas rūpniecības termini