Dal Lake in the Kashmir Valley, long treasured by travelers for its beauty, majestic surrounding hills and languid houseboat culture, is being overwhelmed by untreated sewage and acres of aquatic weeds.
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The skiff nudged through a wall of reeds to confront the intruder : vast expanses of an aggressive aquatic weed that is sucking the life from a vital corner of the Caspian Sea.
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Some of the most exotic inhabitants of the world's coastal regions will be featured in the New England Aquarium's new West Wing, including sea dragons that look like aquatic weeds and chicken-eating crocodiles.
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One of the latest entries in the war on the hyacinths is Aquatics Unlimited, a U . S . company with 20 years of experience in fighting aquatic weeds in the United States and Asia.
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Users of toxic chemicals in waterways of Northwest irrigation districts fall back on a basic defense : They say there is no other proven, economical way to control aquatic weeds that threaten to choke canals.
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On a bright day, some trout are visible from a high bank _ linear wisps of movement against a dark green background, more angular and better camouflaged than the undulating filaments of aquatic weed that wash downstream.
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"Without any question, it is our worst aquatic weed based on its growth rate, it's ability to crowd out native vegetation and the difficulty in controlling it, " said Kenneth Langeland, a University of Florida weed scientist.
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Brevard County Mosquito Control reduces the mosquito population by many means including adulticiding, larviciding, source reduction, aquatic weed control, waste tire abatement, disease monitoring ( of chickens and mosquito-susceptible animals, ) environmental monitoring, and biological control of mosquitoes.
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After listening to lectures on eutrophication, invasive aquatic weeds and the virtues of regular drawdowns and applications of glyphosate, one by one we shared our stories and then watched as the experts held our sorry specimens to the light.
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Sadly, this floating aquatic weed is only the most dramatic of the many afflictions currently dogging a lake, one that was once the pride of East Africa and remains the largest tropical lake-and the second largest freshwater lake-in the world.
