1000 resultados para river otter

Fishing nets, with special reference to the otter-trawl

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A report on the fauna of the estuaries of the River Tamar and the River Lynher

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A comparative study of Metridium senile (L.) var. dianthus (Ellis) and a dwarf variety of this species occuring in the River Mersey, with a discussion on the systematic position of the genus metridium

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Summary of Tees Estuary investigations.Survey of the River Tees. Part II. The estuary, chemical and biological

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The occurence of Diadumene cincta T.A. Stephenson in the River Roach, Essex

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Oyster rearing on the River Yealm

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The breeding of Crepidula fornicata (L.) I the River Blackwater, Essex

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Chemical And Ecological Responses To Variable River Discharge In The Tamar Estuary

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Responses Of A Hydroid To Surface-Water Samples From The River Tamar And Plymouth Sound In Relation To Metal Concentrations

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Distribution Of Algal Chlorophyll And Carotenoid-Pigments In A Stratified Estuary - The Krka River Adriatic Sea

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Fresh-Water Phytoplankton In The Low Salinity Region Of The River Tamar Estuary

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Concentrations of dissolved nutrients in the tidal Yorkshire Ouse River and Humber Estuary

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Fluxes of organic contaminants from the river catchment into through and out of the Humber estuary UK

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A comparison of vegetated and unvegetated soft-sediment macrobenthic communities in the River Yealm south-western Britain

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Detecting the Zambezi River plume using observed optical properties

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