สิ่งแวดล้อม มลภาวะ ของเสีย
เอกสารมาตรฐาน
สหรัฐอเมริกา
APHA
SMWW 10600
Fish
2023
18
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
Fish are major components of most aquatic habitats; there are thousands of species in streams, rivers, lakes, estuaries, and marine environments. They also are an important source of food and recreation, and are key elements in many natural food webs. They affect the physicochemical properties of the systems in which they occur; interact with plankton, macrophytes, and other aquatic organisms; and can serve as environmental indicators...