Results 51 to 60 of about 27,869 (216)

Effects of Landscape Patterns and Their Changes to Species Richness, Species Composition, and the Conservation Value of Odonates (Insecta)

open access: yesInsects, 2021
Understanding the impact of the changing proportion of land-use patterns on species diversity is a critical issue in conservation biology, and odonates are good bioindicators of these environmental changes.
Aleš Dolný   +3 more
doaj   +1 more source

Odonata of eastern Bangladesh with three new records for the country

open access: yesJournal of Threatened Taxa, 2018
A study was conducted in the eastern region of Bangladesh to contribute to the knowledge of the country’s Odonata fauna.  A total of 75 species belonging to nine families was recorded during the study period from April 2014 to July 2016.
M. Kawsar Khan
doaj   +1 more source

OdoBD: An online database for the dragonflies and damselflies of Bangladesh.

open access: yesPLoS ONE, 2020
Combining scientific data over a long-time period is necessary for generating large-scale datasets, which are an essential component of comparative analysis for understanding evolutionary processes.
Md Nur Ahad Shah, Md Kawsar Khan
doaj   +1 more source

\u3ci\u3eErythrodiplax Umbrata\u3c/i\u3e (Odonata: Libellulidae): New for Michigan [PDF]

open access: yes, 2018
Two band-winged dragonlets, Erythrodiplax umbrata (Linnaeus), collected in Wayne County, Michigan on 6 October 2007 represent the first records for this genus and species in the state, as well as the northernmost record for the species.
Craves, Julie A, O\u27Brien, Darrin S
core   +2 more sources

Inter‐Annual Variation in Alpha and Beta Diversity of Benthic Macroinvertebrate Communities in Agricultural Ditches

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Ditches are essential elements of the agricultural landscape because of their role as habitat or refuge for aquatic species, especially in homogenized and intensively cultivated areas. However, data on the biodiversity associated with agricultural ditches, and its variation over time, are underrepresented in ecological research.
Michela Rappocciolo   +5 more
wiley   +1 more source

Does the habitat structure control the distribution and diversity of the Odonatofauna?

open access: yesBrazilian Journal of Biology
The statement that the habitat complexity and structure govern the abundance and diversity of biological communities has been widely investigated. In this context, we assumed the hypothesis of habitat heterogeneity, that is, the higher habitat complexity
AM Souza   +3 more
doaj   +1 more source

Wing wettability gradient in a damselfly Lestes sponsa (Odonata: Lestidae) reflects the submergence behaviour during underwater oviposition [PDF]

open access: yesRoyal Society Open Science, 2020
The phenomenon of hydrophobicity of insect cuticles has received great attention from technical fields due to its wide applicability to industry or medicine. However, in an ecological/evolutionary context such studies remain scarce.
Hana Šigutová   +3 more
doaj   +1 more source

Odonata of Ayer Hitam Forest Reserve, Johor, Peninsular Malaysia [PDF]

open access: yes, 2013
Odonata records from Ayer Hitam Forest Reserve and the surrounding area in Johor, Peninsular Malaysia are presented. A total of 44 Odonata species from eight families were collected in the area in October 2012.
Cheah, Denise S. L., Choong, Chee Yen
core  

Odonata at a Small Woodland Pond in Southern Illinois [PDF]

open access: yes, 2017
A survey of the adult odonate fauna of a small woodland pond in Pope County, Illinois, was conducted during 1983--·1984. Twenty-four species were collected including Aeshna mutata and Anax longipes.
McDowell, W. T   +2 more
core   +2 more sources

Genetic and phenotypic variation in wood tiger moths from the Caucasus: insights into male warning color variation

open access: yesInsect Science, EarlyView.
Coloration serves several fitness‐related functions, including thermoregulation, immunity, social signaling, sexual selection, and predator avoidance. Consequently, color polymorphism can have a significant impact on a species’ interactions with its environment, including its relationships with predators, prey, and potential mates. The wood tiger moth (
Juan A. Galarza   +9 more
wiley   +1 more source

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