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Texas May Be Feeding its Red Drum Fish More Than They Need, Say Researchers

By Guest PostSeptember 24, 2013Scienceaustin, breeding season, capital breeders, climate change, cynthia faulk, effects of pollution, environmentally friendly, fuiman, lee fuiman, marianna grenadier, migratory patterns, natural population, port aransas, red drum fish, reproductive cycle, spawn, survival rate, university of texas

Austin, TEXAS — It’s not the chicken or the egg, but marine scientists at The University of Texas at Austin have answered a basic question about red drum fish and their eggs that may eventually help save the state of Texas a lot of money in hatcheries management and make fish farming more environmentally friendly.

Every year the Texas Parks & Wildlife Department spends millions of dollars breeding red drum, a popular game fish, releasing between 20 and 30 million hatchery-raised fingerlings into eight different bays and estuaries along the coast. In order to maximize the numbers that survive to adulthood, the practice has been to provide adult fish a diet rich in fatty acids for nine months before breeding season. During breeding season, in order to save money and resources, the diet is less rich. (more…)

Why Environmental Water Pollution is a Health Hazard

By Guest PostJune 6, 2012Environmentaleidoscopic, body functions, chemicals, diarrhea, dirty water, effects of pollution, environmental, foreign microorganisms, health hazard, human beings, industrial companies, natural element, pollution, regulate, stomach pain, toxic agents, waste, water, water pollution

Water is a natural element that provides life to all living things, from plants to animals and especially human beings. Thus, it is vital that water be consistently available for consumption. It does much more than quench your thirst. It is necessary to regulate body functions, and therefore keep you alive. However, water has evolved over time. From the clear and reflective waters of the rivers, streams, lakes, seas and oceans during the early years of the earth’s birth, water has gradually turned into different a kaleidoscopic, dirty mass that’s almost drowning the earth in pollution. This basically comes from the waste of man. Massive environmental pollution has had such a huge impact on our health, and here’s what you should know about it. (more…)

Nitrogen From Humans Pollutes Remote Lakes For More Than A Century

By Guest PostJanuary 4, 2012Environmentacid rain, agricultural fertilizers, alexander wolfe, Anthropocene, aquatic archeology, atmosphere, atmospheric currents, biologically active nitrogen, bottom deposits, carbon, chemical composition, chemical signals, climate, daniel schindler, double whammy, earth, effects of pollution, excess nitrogen, fertilizer use, fingerprint, global biogeochemical cycles, gordon holtgrieve, high lake, historical changes, human activities, human derived nitrogen, journal science, lakes, natural sources of nitrogen, new geological era, nitrogen, nitrogen characteristics of lake sediments, nitrogen cycle, nitrogen pollution, northern europe, northern hemisphere, peter leavitt, planetary scale changes, remote ecosystems, smog, southwest alaska, statistical models, university of Alberta, university of washington, us rocky mountains, vital nutrient for life, water pollution

Nitrogen derived from human activities has polluted lakes throughout the Northern Hemisphere for more than a century and the fingerprint of these changes is evident even in remote lakes located thousands of miles from the nearest city, industrial area or farm.

The findings, published in the journal Science Dec. 16, are based on historical changes in the chemical composition of bottom deposits in 36 lakes using an approach similar to aquatic archeology. More than three quarters of the lakes, ranging from the U.S. Rocky Mountains to northern Europe, showed a distinctive signal of nitrogen released from human activities before the start of the 20^th century, said Gordon Holtgrieve, a postdoctoral researcher at University of Washington School of Aquatic and Fishery Sciences and lead author of the report. The UW and a dozen other research institutions contributed to the research. (more…)

Tag Archives: effects of pollution

Texas May Be Feeding its Red Drum Fish More Than They Need, Say Researchers

Why Environmental Water Pollution is a Health Hazard

Nitrogen From Humans Pollutes Remote Lakes For More Than A Century