Výsledky vyhledávání - "Roger L H Dennis"

Akademický článek

Why Small Is Beautiful: Wing Colour Is Free from Thermoregulatory Constraint in the Small Lycaenid Butterfly, Polyommatus icarus.

Autor: Rien De Keyser, Casper J Breuker, Rosemary S Hails, Roger L H Dennis, Tim G Shreeve

Publikováno v: PLoS ONE, Vol 10, Iss 4, p e0122623 (2015)

We examined the roles of wing melanisation, weight, and basking posture in thermoregulation in Polyommatus Icarus, a phenotypically variable and protandrous member of the diverse Polyommatinae (Lycaenidae). Under controlled experimental conditions, a

Externí odkaz: https://doaj.org/article/51df337ec48c4ef3be77ba2040ee4052

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Akademický článek

Use of cross-taxon congruence for hotspot identification at a regional scale.

Autor: Simone Fattorini, Roger L H Dennis, Laurence M Cook

Publikováno v: PLoS ONE, Vol 7, Iss 6, p e40018 (2012)

One of the most debated problems in conservation biology is the use of indicator (surrogate) taxa to predict spatial patterns in other taxa. Cross-taxon congruence in species richness patterns is of paramount importance at regional scales to disclose

Externí odkaz: https://doaj.org/article/fef22a4f058b4c42baa5985b33641985

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Akademický článek

The Effect of Habitat on Insect Movements: Experimental Evidence from Wild-Caught Butterflies

Autor: Matteo Marcantonio, Raluca Voda, Daniele Da Re, Quentin Igot, Roger L. H. Dennis, Aurélien Vielfaure, Sophie O. Vanwambeke, Caroline M. Nieberding

Publikováno v: Insects, Vol 14, Iss 9, p 737 (2023)

There is broad evidence that the main driver of the ongoing biodiversity crisis is land-use change, which reduces and fragments habitats. The consequence of habitat fragmentation on behavioural responses of fitness-related traits in insects have been

Externí odkaz: https://doaj.org/article/f75db0b70a8942789da9c0112b85aee2

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Akademický článek

Suitability and Transferability of the Resource-Based Habitat Concept: A Test With an Assemblage of Butterflies

Autor: Camille Turlure, Nicolas Schtickzelle, Quentin Dubois, Michel Baguette, Roger L. H. Dennis, Hans Van Dyck

Publikováno v: Frontiers in Ecology and Evolution, Vol 7 (2019)

A functional definition of the habitat-concept based on ecological resources incorporates three interconnected parameters: composition, configuration, and availability of the resources. The intersection of those parameters represents the functional h

Externí odkaz: https://doaj.org/article/72a6589b58c943c9b18d1f18a108b7eb

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Post-Aestivation Puddling by Female Chazara Briseis Larnacana (Oberthür, 1909) and Maniola Cypricola (Graves, 1928) (Lepidoptera: Nymphalidae, Satyrinae): Influences and Implications

Autor: Roger L. H. Dennis, Eddie John

Publikováno v: Entomologist's Gazette. 70:97-109

Mud-puddling by female Lepidoptera is rarely reported. In this paper, post-aestivation puddling by females of Chazara briseis larnacana and Maniola cypricola as a possible means of enhancing fecundity is discussed. Both are long-lived Cyprus endemics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0266af4fc3aaf4a13f819a2e237cb52
https://doi.org/10.31184/g00138894.702.1698

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How complete are insect inventories? An assessment of the british butterfly database highlighting the influence of dynamic distribution shifts on sampling completeness

Autor: David Sánchez-Fernández, Richard Fox, Roger L. H. Dennis, Jorge M. Lobo

Publikováno v: Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
Digital.CSIC. Repositorio Institucional del CSIC
instname

Much recent scientific, media and public attention has focussed on the evidence for and consequences of declines in insect biodiversity. Reliable, complete inventories can be used to estimate insect trends accurately, but incomplete data may distort

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::685207479aaf0ce3fff16d754ef23632
http://hdl.handle.net/10261/243825

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Species traits influence the process of biodiversity inventorying: a case study using the British butterfly database

Autor: Cayetano Gutiérrez-Cánovas, Richard Fox, Jorge M. Lobo, Roger L. H. Dennis, David Sánchez-Fernández

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)

1. The description of how biological information is compiled over time is essential to detect temporal biases in biodiversity data that could directly influence the utility, comparability, and reliability of ecological and biogeographical studies. 2.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95fe024d9812b67cc91b9ab15ff5b935
http://hdl.handle.net/10261/244280

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