aquatic organisms
41Cyanotoxin — Green scum produced by and containing cyanobacteria, washed up on a rock in California during an algal bloom Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue green algae). Cyanobacteria are found almost… …
42Freshwater — is a word that refers to bodies of water such as ponds, lakes, rivers and streams containing low concentrations of dissolved salts and other total dissolved solids. In other words, the term excludes seawater and brackish water.Freshwater is an… …
43Biomagnification — Biomagnification, also known as bioamplification, or biological magnification is the increase in concentration of a substance, such as the pesticide DDT, that occurs in a food chain as a consequence of: * Food chain energetics * Low (or… …
44National Invasive Species Act — The National Invasive Species Act (NISA) was sponsored by U.S. House Representative Steve LaTourette on September 28, 1996, and it became Public Law No. 104 332 (H.R. 4283) on October 26, 1996. The official purpose, as introduced, is: “To provide …
45Sodium tripolyphosphate — Chembox new ImageFile=sodium tripolyphosphate.png ImageSize=200px IUPACName=sodium triphosphate OtherNames= Section1= Chembox Identifiers CASNo= 7758 29 4 PubChem=517047 SMILES= [O ] P(=O)( [O ] )OP(=O)( [O ] )OP(=O)( [O ] ) [O ] . [Na+] . [Na+] …
46Hypoxia (environmental) — Hypoxia, or oxygen depletion, is a phenomenon that occurs in aquatic environments as dissolved oxygen (DO; molecular oxygen dissolved in the water) becomes reduced in concentration to a point where it becomes detrimental to aquatic organisms… …
47Biological dispersal — This article is about biological dispersal in ecosystems. For other forms of dispersion, see Dispersion (disambiguation). Wind dispersal of dandelion seeds. Biological dispersal refers to species movement away from an existing population or away… …
48Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …
49Evolution of cetaceans — The approximately 80 modern species in the order Cetacea. A phylogeny showing the …
50Squantz Pond State Park — Infobox lake lake name = Squantz Pond image lake = Squantz.jpg caption lake = from space (NASA photo) image bathymetry = caption bathymetry = location = Western Connecticut coords = coord|41.51056|N|73.47056|W|region:US CT… …
