siltation
61Hellbender — For other uses, see Hellbender (disambiguation). Hellbender Head is in lower right corner Conservation status …
62Geography of Indonesia — Indonesia is an archipelagic island country in Southeast Asia, lying between the Indian Ocean and the Pacific Ocean. It is in a strategic location astride or along major sea lanes from Indian Ocean to Pacific Ocean. The country s variations in… …
63Geography of Morocco — True color image of Morocco from Terra spacecraft Topography of Morocco …
64Marine biology — Only 29 percent of the world surface is land. The rest is ocean, home to the marine lifeforms. The oceans average four kilometers in depth and are fringed with coastlines that run for nearly 380,000 kilometres. Marine biology is the scientific… …
65Geography of Panama — Map of Panama Panama is a country located in the Central America region of North America, bordering both the Caribbean Sea and the North Pacific Ocean, between Colombia and Costa Rica. Panama is located on the narrow and low Isthmus of Panama.… …
66Plankton — For other uses, see Plankton (disambiguation). Photomontage of planktonic organisms Plankton (singular plankter) are any drifting organisms (plants …
67Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …
68Salmon — is the common name for several species of fish of the family Salmonidae. Several other fish in the family are called trout. Salmon live in both the Atlantic and Pacific Oceans, as well as the Great Lakes and other land locked lakes.Typically,… …
69Algal bloom — Algal blooms can present problems for ecosystems and human society An algal bloom is a rapid increase or accumulation in the population of algae (typically microscopic) in an aquatic system. Algal blooms may occur in freshwater as well as marine… …
70Zooplankton — A copepod (Calanoida sp.) Zooplankton  / …
