Results 101 to 110 of about 4,398 (225)

Associations of dragonflies (Odonata) to habitat variables within the Maltese Islands : a spatio-temporal approach [PDF]

open access: yes, 2012
Relatively little information is available on environmental associations and the conservation of Odonata in the Maltese Islands. Aquatic habitats are normally spatio-temporally restricted, often located within predominantly rural landscapes, and are ...
Balzan, Mario V.
core   +1 more source

A parasitic association of Odonata (Insecta) with Arrenurus Dugés, 1834 (Arachnida: Hydrachnida: Arrenuridae) water mites

open access: yesJournal of Threatened Taxa, 2015
The parasitic association between water mites (Arrenurus spp.) and Odonata is virtually ubiquitous wherever habitats suitable for both taxa exist.  Yet, very little is known about this association within and among the odonate species of India.
Raymond J. Andrew   +2 more
doaj   +1 more source

Update of Arkansas Odonata (Anisoptera) [PDF]

open access: yes, 1976
Seventy-five species of dragonflies have been reported in Arkansas. The present study provides 43 species; records of the other 32 are drawn from the literature and personal communication with individuals.
Rickett, John D.
core   +2 more sources

Phenotypically Plastic Responses to Predation Risk Are Temperature Dependent [PDF]

open access: yes, 2019
Predicting how organisms respond to climate change requires that we understand the temperature dependence of fitness in relevant ecological contexts (e.g., with or without predation risk).
Cressler, Clayton E.   +3 more
core   +1 more source

Contribution à l'étude de la géométrie alaire du genre "Calopteryx" (Odonates) [PDF]

open access: yes, 1978
En aquest treball s'ha investigat, la funció de la corba alar tenint com a base la utilització dels punts tangents i perpendiculars que coincideixen amb l'anatomia i els àpexs alars.
Brémond, Jean
core  

Diversity and Seasonal Abundance of Dragonflies and Damselflies in the Lake Cluster of Pokhara Valley, Nepal

open access: yesPsyche: A Journal of Entomology
Odonata (or odonates) are among the oldest and most well-studied insects worldwide; however, very few studies on this group have been conducted in Nepal.
Apeksha Chhetri, Mahamad Sayab Miya
doaj   +1 more source

Dragonflies and Damselflies (Odonata) of the Grand River System, Northeastern Ohio, 1974-1978 [PDF]

open access: yes, 1981
Author Institution: Chagrin River Road, Gates Mills OH 44040Fifty-three collecting stations were established on the Grand River system, Northeastern Ohio, including tributary streams and watershed, from 1974 through 197S. Dragonfly and damsel fly adults,
Perry, T. Edward
core  

Utilisation rationnelle de fertilisants organiques pour la production de macroinvertébrés benthiques d'eau douce en pisciculture

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2018
Rational utilization of organic fertilizers for freshwater benthic macroinvertebrate production in fish farming. Description of the subject.
Adande, R.   +6 more
doaj   +1 more source

An integrated study of the development of organic rice cultivation in the Camargue (France)- [PDF]

open access: yes, 2004
In the Camargue, rice and durum wheat are associated in rotations that have an ambivalent ecological impact: on the one hand, these two crops contribute to the preservation of the surrounding ecosystem, while on the other hand, when cropped intensively ...
Desclaux, D.   +5 more
core  

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