Types of Water Pollution. Toxic Substance -- A toxic substance is a chemical pollutant that is not a naturally occurring substance in aquatic ecosystems. The greatest contributors to toxic pollution are herbicides, pesticides and industrial compounds.he sources of water pollution are categorized as being a point source or a non-source point of pollution. Point sources of pollution occur when the polluting substance is emitted directly into the waterway. A pipe spewing toxic chemicals directly into a river is an example.
Herds resemble slow moving, multicolored forests of bare trees as their horns sway with every step. The AnkoleâWatusi breed is part of the Sanga family of African cattle breeds, which originated over 2,000 years ago from a combination of the Egyptian.
1 Other characteristics: Brangus cattle are, like the Red Brangus breed, primarily 3/8's Brahman and 5/8's Angus. 2  The Brangus breed originated from research done at a USDA agricultural research station at Jeanerette, Louisiana, with the crossbreeding recorded to have its beginnings in 1932. Body type and characteristics: Brangus cattle are beefy cattle, with the same body characteristics and weight as Red Brangus, Beefmasters and Gerts: moderate-frame, loose skin, more rounded appearance on the rumps, and loose navel in all sexes and ages.