Results 61 to 70 of about 3,299 (201)

Length–Dry Mass Relationships of Aquatic Insects: Geographic and Taxonomic Variation in a Digital Database

open access: yesFreshwater Biology, Volume 70, Issue 7, July 2025.
ABSTRACT Aquatic insects are an abundant, yet declining, taxonomically heterogeneous group with special importance in both aquatic and terrestrial ecosystems. Accurate estimations of insect biomass during their aquatic life stages are essential to advance our fundamental knowledge about insects, their roles in ecosystems, and their vulnerability to ...
Casper H. A. van Leeuwen   +4 more
wiley   +1 more source

Morphological Identification of Dragonflies Naiads (Odonata: Anisoptera) From Temporary Ponds in Basrah Province, South of Iraq

open access: yesالمجلة العراقية للاستزراع المائي
Dragonfly naiads of the Anisoptera species were collected from shallow ponds in Basrah Province, South of Iraq, between December 2017 and November 2018.
Huda K. Ahmed, Dhia K. Kareem
doaj   +1 more source

An Assessment of the Effect of Rotenone on Selected Non-Target Aquatic Fauna. [PDF]

open access: yesPLoS ONE, 2015
Rotenone, a naturally occurring ketone, is widely employed for the management of invasive fish species. The use of rotenone poses serious challenges to conservation practitioners due to its impacts on non-target organisms including amphibians and ...
Tatenda Dalu   +4 more
doaj   +1 more source

Contribution to the Odonata of the Kingdom of Tonga [PDF]

open access: yes, 2013
New data on the Odonata fauna of the Kingdom of Tonga is provided following re-search carried out on Tongatapu and 'Eua islands in July 2012. New localities for Tongatapu Island are put on record and previous studies are compared with new pheno-logical ...
Marinov, Milen
core  

Insight Into Trophic Niche Differentiation in Labeobarbus (Cyprinidae) in the Luhoho Basin (Upper Congo Basin)

open access: yesEcology and Evolution, Volume 15, Issue 4, April 2025.
Six Labeobarbus species occur in the Middle Luhoho, a left‐bank affluent of the Lowa River, including two chiselmouth species (Labeobarbus brauni, L. longidorsalis) and three rubberlip species (L. caudovittatus, L. longifilis, L. paucisquamatus), as well as an intermediate phenotype referred to as the smiling phenotype.
Tchalondawa Kisekelwa   +11 more
wiley   +1 more source

Odonata de un bosque tropical caducifolio: sierra de San Javier, Sonora, México

open access: yesRevista Mexicana de Biodiversidad, 2009
Se realizó un estudio para conocer la fauna de Odonata del límite norte de distribución del bosque tropical caducifolio localizado en la región de San Javier, Sonora, durante 7 meses entre noviembre del 2003 y octubre del 2004. Se recolectó un total de 1
Enrique González-Soriano   +1 more
doaj   +1 more source

A revised and updated Odonata checklist of Samoa (Insecta: Odonata) [PDF]

open access: yes, 2013
Odonata records of the Samoan Archipelago are updated and an updated checklist provided. It is part of an ongoing assessment of the fauna, taxonomy and distributionof the Pacific island dragonflies. The checklist follows recent reviews published/prepared
Chinn, Warren   +4 more
core  

The response of neotropical dragonflies (Insecta: Odonata) to local and regional abiotic factors in small streams of the Amazon [PDF]

open access: yes, 2019
Since the relative role of local and regional abiotic factors on the Odonata diversity in rainforest streams is still poorly understood, we evaluated the effects of these factors on adult Odonata (Insecta) from preserved and altered streams in the ...
Belle   +20 more
core   +1 more source

Floodplain Restoration and Its Effects on Summer Water Temperature and Macroinvertebrates in Whychus Creek, Oregon (USA)

open access: yesRiver Research and Applications, Volume 41, Issue 1, Page 37-55, January 2025.
ABSTRACT Stream restoration is a proposed climate adaptation tool; however, outcomes of floodplain restoration on stream temperature have been debated. Despite a growing number of studies that investigated water temperature in restored streams, few have quantified temperature variations in new habitat types created by restored hydrogeomorphic processes
Wesley N. Noone   +3 more
wiley   +1 more source

Performance of Computer Vision Algorithms for Fine‐Grained Classification Using Crowdsourced Insect Images

open access: yesIET Computer Vision, Volume 19, Issue 1, January/December 2025.
In biodiversity monitoring, computer vision algorithms for fine‐grained classification can help to label the billions of images collected by citizen scientists. To understand how to identify the algorithms in line with the case study, we compare nine algorithms trained for this task on four different metrics offering insights that we have not yet had ...
Rita Pucci   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy