Essays about: "Hester-Dendy samplers"

Found 2 essays containing the words Hester-Dendy samplers.

1. 1. How does hydropeaking and geological substrate affect aquatic macroinvertebrates in a regulated river?

   University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

   Author : Andreas Vernby; [2021]
   Keywords : Hydropeaking; geological substrate; aquatic macroinvertebrates; EPT species; Hester-Dendy samplers; Korttidsreglering; geologiskt substrat; akvatiska makroevertebrater; EPT; Hester-Dendy-provtagare;

   Abstract : Hydropower is an important source of renewable energy, but is often a cause of degradation to river ecosystems. Hydropeaking, i.e. the frequent alteration of discharge, is a process involved in hydropower generation and has been proven to affect aquatic organisms negatively. READ MORE

3. 2. Macroinvertebrate sampling in hydropeaking rivers : Testing Hester-Dendy samplers in a laboratory environment using different flow conditions

   University essay from Karlstads universitet/Avdelningen för biologi

   Author : Mattias Hansson; [2020]
   Keywords : hydropower; bioassessment; benthic macroinvertebrates; biotic indicator; vattenkraft; biologiska bedömningsgrunder; bentiska makroevertebrater; bioindikator;

   Abstract : Degraded rivers and streams caused by disturbances have created a need for reliable tools to assess the ecological status of such ecosystems. Numerous methods and programs have been developed to assess ecological status using biological indicators, benthic macroinvertebrates are the most commonly used biotic indicator. READ MORE