Results 91 to 100 of about 6,998 (243)

Gene Flow Across Large Distances in the Cavity‐Nesting Wasp Deuteragenia subintermedia in a Central European Forest

open access: yesEcology and Evolution, Volume 15, Issue 4, April 2025.
Retention forestry is widely considered a promising approach to conserve forest biodiversity, and beneficial effects of more heterogeneous forest structure have been shown for several taxa. However, it is often unclear if the approaches taken locally can provide connectivity for specimens over the landscape or if they lead to “biodiversity islands ...
Laura‐Sophia Ruppert   +4 more
wiley   +1 more source

A Scientometric Approach to the Taxonomy of Brazilian Plecoptera: An Overview of Data [PDF]

open access: yesRevista Brasileira de Entomologia
The order Plecoptera comprises nearly 4,400 species of freshwater insects known for their specific temperature requirements. In Brazil, there are 207 valid extant species, with 172 (83%) being endemic, and particularly the genus Anacroneuria is well ...
Tácio Duarte, Lucas Silveira Lecci
doaj   +1 more source

Freshwater Macroinvertebrates [PDF]

open access: yes, 2003
The purpose of this resource is to sample, identify, and count macroinvertebrates at a Hydrology Site. Students collect, sort, identify, and count macroinvertebrates from habitats at their site.
The GLOBE Program, UCAR (University Corporation for Atmospheric Research)
core  

Identification, Detection, and the Enhanced Removal Mechanism of DDT From Aqueous Solutions Using Facile Green Synthesis of Carbon Quantum Dots

open access: yesEngineering Reports, Volume 7, Issue 4, April 2025.
Removal of DDT from Aqueous solution using Carbon Quantum Dots. ABSTRACT Dichlorodiphenyltrichloroethane (DDT) pollution is an ongoing worldwide environmental hazard due to its persistence and detrimental impact on ecosystems. Carbon quantum dots (CQD) made from dried mushroom biomass using a sustainable and eco‐friendly synthesis process are ...
Sathish Sundararaman   +7 more
wiley   +1 more source

Ecology of the regulated river Storelva in western Norway 50 years after regulation

open access: yesFauna Norvegica, 1985
The river Storelva, situated in Sauda, Rogaland in western Norway has been regulated for hydroelectric power since 1914 and about 80% of the water-flow is transferred through tunnels to the various power stations and then to the fjord.
Albert Lillehammer
doaj   +1 more source

Differences in Thermal Tolerance Between Two Thermally Isolated and Genetically Indistinct Populations of \u3ci\u3eParagnetina Media\u3c/i\u3e (Walker) (Plecoptera: Perlodidae) [PDF]

open access: yes, 2018
The critical thermal maximum (CTM) of Paragnetina media (Walker) (Plecoptera: Perlodidae) was studied at two sites of the Big Sable River in northwestern Lower Michigan during summer 2013. The sites were separated by ~8 km and differed in temperature by ~
Houghton, David C   +2 more
core   +2 more sources

Biological report - fish mortality, River Conder, 21.7.79 [PDF]

open access: yes, 1979
Following a large scale fish mortality caused by a considerable spillage of a pentachlbrophenol-based disinfectant from a mushroom farm, a biological survey of the river Conder was undertaken on 23.7.79.
Ingersent, B.
core  

Klapálek’s Kamimuria (Plecoptera: Perlidae) types in the National Museum Prague [PDF]

open access: yes, 2015
Three species of the genus Kamimuria Klapálek, 1907 are redescribed or a complementary description is provided on the basis of specimens kept in the National Museum Prague (NMP): male, female and egg of K.
Li, Weihai, Murányi, Dávid
core   +1 more source

Biological research of Grabia River - fifty years of activity [PDF]

open access: yes, 2005
Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years.
Siciński, Jacek, Tończyk, Grzegorz
core  

Clouds, shadows, or twilight? Mayfly nymphs recognise the difference [PDF]

open access: yes, 2006
1. We examined the relative changes in light intensity that initiate night-time locomotor activity changes in nymphs of the mayfly, Stenonema modestum (Heptageniidae).
Allan J.D.   +29 more
core   +3 more sources

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