Drijfnetten worden gebruikt in ecologische onderzoeken bij het bestuderen van de stroomafwaartse drift van ongewervelde dieren en Ichthyoplankton.
HOBO Waterniveau Datalogger MX2001 verkrijgbaar met 6 verschillende sensoren en drie verschillende kabellengtes.
Deze complete Hess Sampler is accurater dan de Surber sampler en zowel verkrijgbaar met als zonder tanden.
This atlas covers 154 species of predaceous water beetles. 152 of these species occur in Britain, 113 in Ireland and 72 in the Isle of Man.
A useful teaching aid, this guide incorporates an easy-to-use informative identification key with 240 full colour, original photographs.
Bouw en gebruik de periscoop om kinderen te leren over spiegels, reflecties, onderzeeërs en nog veel meer!
Compleet Surber Sampler Small voor kwantitatieve bemonstering wanneer de stroom gelijk is aan of kleiner is dan 10 cm/seconde.
Dit boek is één groot pleidooi om dit unieke zoetwatergetijdengebied op waarde te schatten en te koesteren.
A monumental reference that provides comprehensive details on the freshwater fishes of the United States, Canada, and Mexico. Volume 1.
Maatkan PP met handgreep en tuit 100/250/1000ml
The Xtreem water level logger measures the depth that the sensor cable is immersed in the water and can be user calibrated.
Discover the essence of wetlands – from their vital ecological roles to cutting-edge management strategies. An indispensable resource for students and professionals in ecology, environmental engineering, and water resource management.
Compleet Surber Sampler Medium voor kwantitatieve bemonstering wanneer de stroom gelijk is aan of kleiner is dan 10 cm/seconde.
Werpanker voor de bemonstering van waterplanten inclusief touw van 15 meter.
Written by world experts in astacology, this book covers a range of aspects of the biology and ecology of freshwater crayfish.
This work covers the hydrophiloid beetles in five families, with 104 species reviewed species recorded from Britain, Ireland, Isle of Man, and Channel Isles.
The Water beetles 1 RES Handbook covers the Hydradephaga (predaceous water beetles) of Britain and Ireland, including the Channel Isles.
Water Mites of the World - With Keys to the Families, Subfamilies, Genera and Subgenera
A coincise, current and accesible overview of the biology and ecology of running water systems with an emphasis on rivers and streams.
A monumental reference that provides comprehensive details on the freshwater fishes of the United States, Canada, and Mexico. Volume 2.
This work covers 85 species of beetle in five main families.
