Results 81 to 90 of about 2,468 (220)
A comparison of sulphur analysis of conifer needle samples
Silva Fennica, 1989 The results of an intercalibration of sulphur analysis by 24 laboratories are evaluated. The analysis was made by one or more of six methods. The following three methods were found to be satisfactory as regards relative speed and reliability: Leco S ...
Jarva, Maija, Tervahauta, Arja
doaj +1 more source
An Urgent Call for the Coordinated Monitoring of European Freshwater Mussels
Conservation Letters, Volume 19, Issue 2, March/April 2026.ABSTRACT Large freshwater mussels, also known as naiads, are important organisms that provide crucial ecosystem functions and services but are experiencing significant declines across Europe. To ensure effective conservation, it is essential to have a well‐coordinated monitoring scheme. Therefore, we analyzed the functioning of naiad monitoring systems
Tadeusz Zając +34 more
wiley +1 more source
, 2018 The European Water Framework Directive (WFD) requires the national classifications of good ecological status to be harmonised through an intercalibration exercise. In this exercise, significant differences in status classification among Member States are
GASCON S +13 more
core +1 more source
Water Framework Directive Intercalibration: Central-Baltic Lake Fish fauna ecological assessment methods [PDF]
, 2016 The European Water Framework Directive (WFD) requires the national classifications of good ecological status to be harmonised through an intercalibration exercise. In this exercise, significant differences in status classification among Member States are
BIALOKOZ Witold +20 more
core +1 more source
, 2014 One of the key actions identified by the Water Framework Directive (WFD; 2000/60/EC) is to develop ecological assessment tools and carry out a European intercalibration (IC) exercise.
MCFARLAND Ben +11 more
core +1 more source
Intercalibration of the national classifications of ecological status for Northern Lakes: Biological Quality Element: Fish fauna [PDF]
, 2018 The European Water Framework Directive (WFD) requires the national classifications of good ecological status to be harmonised through an intercalibration exercise. In this exercise, significant differences in status classification among Member States are
HESTHAGEN T. +7 more
core +1 more source
Ecohydrology, Volume 19, Issue 1, January‐February 2026.ABSTRACT The increasing demand for freshwater, in combination with climate change and pollution, compromises the quality and quantity of water resources. These pressures have intensified cyanobacterial blooms, including toxic events that threaten human health and aquatic ecosystems. This study complements the objectives of the Water Framework Directive
Ivo Pinto +6 more
wiley +1 more source
Coastal waters North East Atlantic geographic intercalibration group: Benthic invertebrate fauna ecological assessment methods [PDF]
, 2019 The European Water Framework Directive (WFD) requires the national classifications of good ecological status to be harmonised through an intercalibration exercise. In this exercise, significant differences in status classification among Member States are
PHILIPS G +22 more
core +1 more source
Environmental DNA, Volume 8, Issue 1, January–February 2026.This European interlaboratory ring test highlights how methodological differences affect eDNA‐based detection of crayfish and the crayfish plague pathogen, emphasizing the need for harmonized protocols to improve reliability in conservation and disease monitoring efforts.
Patrik Bohman +39 more
wiley +1 more source
Training and intercalibration reduce observer-induced variability in forest vegetation surveys [PDF]
Vegetation Ecology and DiversityThe increasing availability of vegetation-plot data results from decades of field surveys conducted by numerous observers. This highlights observer error not as a marginal issue but as a structural component of uncertainty, with direct consequences for ...
Marco Cervellini +12 more
doaj +3 more sources