Tag Directory > Eutrophication
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We have 20 results for Eutrophication.
11 Citation The first green revolution grew out of the never-ending need to feed the increasingly ridiculous amount of people on the earth. The green revolution of the 1950s ushered in a new age of chemical fertilizers, pesticides, genetically modified organisms and monoculture farms expected to increase crop yields. The list of problems caused by this mad rush for food ? soil erosion , eutrophication , salinization ? has left the earth?s soil, and most ecosystems, virtually beyond repair, and, technorati.com
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Toilet Torrens II: The Plot Sickens 1 Citation © CJA Bradshaw A few days into the Torrens ?River? disaster , and we see very little in the way of a truly dedicated, organised clean-up. With some token efforts to clean up the more obvious rubbish in the lake section itself (i.e., cars , fridges , etc.), there is nothing suggesting the true problems are going to be addressed. Indeed, the authorities are desperately trying to ?find? water to cover the problem up rather than deal with it. Instead of a catchment-wide mass clean-up, th, technorati.com
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1 Citation Our Oceans, where life started Are Now Dying!What is killing them? Among major causes Pollution from TourismCoastal DevelopmentsIndustrial agricultureIntensive farmingCoal-burning power plantsShippingDumpingCausingEutrophication and Hypoxia DesertificationAcidification Dead ZonesOur Dead Zone Largest Ever This Year!Ocean ?deserts? are expanding much faster than predicted, it is believed that the ocean ?desertification? may result in the population decline of many fish species. Black areas in th, technorati.com
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Oil Spills, Ships and Readiness - The Moreton Island Case 1 Citation The spill of toxins, explosives etc in Queensland is serious. More from the Moreton Bay Blog, Bayjournal Australian Senator Discusses Oil Spill Video via cheatah55, technorati.com
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Adelaide?s shame - the ?River? (toilet) Torrens 1 Citation I?ve put this post off for too long as it is, but after today?s ridiculous dereliction of duty ? malfunction ?, I can no longer hold my tongue (as it were). I?ve been living in Adelaide for about a year now, and it?s been slowly dawning on me just how badly managed, for decades, the Torrens River has been. I cycle or run to work along the Torrens cycle path and see and smell the amazing neglect that has accumulated over the years. The river literally stinks of rot and filth. What am I sayi, technorati.com
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Marine conservation in South Australia 1 Citation © U.R. Zimmer Just before the holidays last year I participated in the Conservation Council of South Australia?s (CCSA) Coast & Marine in a Changing Climate Summit 2008. It was an interesting, mature and intelligent summit with some good recommendation surfacing. Although I certainly didn?t agree with all the recommendations (view the entire report here), I must say up front that I have been very impressed with the CCSA?s approach in their ?Blueprint? summit series to address South Aust, technorati.com
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Manly Beach Drift "wood" - December 1 Citation A monthly summary of what has washed onto the shore or beach through the winds, tides, waves or human action. Marine debris, flora and fauna, dead or alive: 30+ dead Leatherjackets again , possibly Meuschenia flavolineata, (10-20 cm long). Kids p laying 'ball' with them. Millions of mostly still alive Ladybirds at the water's edge, struggling. There appeared to be no ' white collar ', probably a native . Many aphids, scale insects, mealybugs, and mites will not be eaten this seaso, technorati.com
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1 Citation Plastic Pacific - Manly Beach - click!, technorati.com
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EFFECTS OF EUTROPHICATION ON VITELLOGENIN GENE EXPRESSION IN MAL... 1 Citation EFFECTS OF EUTROPHICATION ON VITELLOGENIN GENE EXPRESSION IN MAL... Recent Science Inventory records from the EPA Mon, 01/05/2009 - 15:49 This study evaluated the effect of aquatic secondary nutrient supply levels (nitrogen and phosphorus) on the subcellular response of adult male fathead minnows (Pimephales promelas) exposed to a single nominal concentration of 17a-ethynylestradiol (EE2), a potent synthetic estrogen, under quasi-natural field conditions. Outdoor mesocosms were maintained und, technorati.com
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Bird-Unfriendly Structures in Manly Aquatic Reserve 1 Citation Cormorants used to perch on this lamp pole in the day and owls used to sit there at night. Now it has bird-unfriendly spikes all along it. Adjoining the Fairy Bower Pool and Manly's Cabbage Tree Bay aquatic reserve the urban wildlife has been sitting there for years in the absence of large trees. These native shorebirds are being repelled from their habitat . Possible arguments for the bird repellent structures could be the animal feaces. On the same grounds one would have to act, technorati.com
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