The Xtreem water level logger measures the depth that the sensor cable is immersed in the water and can be user calibrated.
Naturschützer und Taucher setzen sich gemeinsam für die Qualität unseren Seen ein.
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.
The Water beetles 1 RES Handbook covers the Hydradephaga (predaceous water beetles) of Britain and Ireland, including the Channel Isles.
A useful teaching aid, this guide incorporates an easy-to-use informative identification key with 240 full colour, original photographs.
Net voor ronde en driehoekige aquatische netten. 1mm of UHELON 0.34mm.
Deze multi-plate sampler is ideaal voor het verzamelen van gegevens over dichtheid en grootteverdeling van zebra- en quagga-mosselen.
Maatkan PP met handgreep en tuit 100/250/1000ml
Written by world experts in astacology, this book covers a range of aspects of the biology and ecology of freshwater crayfish.
Synthesizes new techniques and protocols used in understanding the ecology of freshwaters, whilst integrating the numerous methodologies used in their management and conservation
A monumental reference that provides comprehensive details on the freshwater fishes of the United States, Canada, and Mexico. Volume 1.
This work covers the hydrophiloid beetles in five families, with 104 species reviewed species recorded from Britain, Ireland, Isle of Man, and Channel Isles.
Dit boek is één groot pleidooi om dit unieke zoetwatergetijdengebied op waarde te schatten en te koesteren.
A coincise, current and accesible overview of the biology and ecology of running water systems with an emphasis on rivers and streams.
Hobo beschermkap voor Water datalogger serie U22- & U24- , set van 5
This work covers 85 species of beetle in five main families.
Water Mites of the World - With Keys to the Families, Subfamilies, Genera and Subgenera
