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1.
Conserv Biol ; 23(5): 1080-9, 2009 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-19549219

RESUMEN

The scientific literature contains numerous descriptions of observed and potential effects of global climate change on species and ecosystems. In response to anticipated effects of climate change, conservation organizations and government agencies are developing "adaptation strategies" to facilitate the adjustment of human society and ecological systems to altered climate regimes. We reviewed the literature and climate-change adaptation plans that have been developed in United States, Canada, England, México, and South Africa and found 16 general adaptation strategies that relate directly to the conservation of biological diversity. These strategies can be grouped into four broad categories: land and water protection and management; direct species management; monitoring and planning; and law and policy. Tools for implementing these strategies are similar or identical to those already in use by conservationists worldwide (land and water conservation, ecological restoration, agrienvironment schemes, species translocation, captive propagation, monitoring, natural resource planning, and legislation/regulation). Although our review indicates natural resource managers already have many tools that can be used to address climate-change effects, managers will likely need to apply these tools in novel and innovative ways to meet the unprecedented challenges posed by climate change.


Asunto(s)
Adaptación Fisiológica , Animales Salvajes , Biodiversidad , Clima , Conservación de los Recursos Naturales/métodos , Animales , Ecología , Ambiente , Monitoreo del Ambiente , Extinción Biológica , Humanos
2.
Evolution ; 72(9): 1874-1889, 2018 09.
Artículo en Inglés | MEDLINE | ID: mdl-30039868

RESUMEN

The evolution of reversed sexual dichromatism and aposematic coloration has long been of interest to both theoreticians and empiricists. Yet despite the potential connections between these phenomena, they have seldom been jointly studied. Large carpenter bees (genus Xylocopa) are a promising group for such comparative investigations as they are a diverse clade in which both aposematism and reversed sexual dichromatism can occur either together or separately. We investigated the evolutionary history of dichromatism and aposematism and a potential correlation of these traits with diversification rates within Xylocopa, using a newly generated phylogeny for 179 Xylocopa species based on ultraconserved elements (UCEs). A monochromatic, inconspicuous ancestor is indicated for the genus, with subsequent convergent evolution of sexual dichromatism and aposematism in multiple lineages. Aposematism is found to covary with reversed sexual dichromatism in many species; however, reversed dichromatism also evolved in non-aposematic species. Bayesian Analysis of Macroevolutionary Models (BAMM) did not show increased diversification in any specific clade in Xylocopa, whereas support from Hidden State Speciation and Extinction (HiSSE) models remained inconclusive regarding an association of increased diversification rates with dichromatism or aposematism. We discuss the evolution of color patterns and diversification in Xylocopa by considering potential drivers of dichromatism and aposematism.


Asunto(s)
Abejas/fisiología , Evolución Biológica , Mimetismo Biológico , Preferencia en el Apareamiento Animal/fisiología , Caracteres Sexuales , Pigmentación de la Piel , Animales , Abejas/clasificación , Femenino , Especiación Genética , Masculino , Filogenia , Selección Genética
3.
Sci Adv ; 4(10): eaat8281, 2018 10.
Artículo en Inglés | MEDLINE | ID: mdl-30306133

RESUMEN

Artelle et al. (2018) conclude that "hallmarks of science" are largely missing from North American wildlife management based on a desk review of selected hunting management plans and related documents found through Internet searches and email requests to state and provincial wildlife agencies. We highlight three fundamental problems that compromise the validity of the conclusions posited: missing information to support selection of "hallmarks of science," confusion about the roles and nature of science and management, and failure to engage effectively with the scientists and managers actively managing wildlife populations in North America.


Asunto(s)
Animales Salvajes , Animales , América del Norte , Estados Unidos
4.
Zookeys ; (655): 131-139, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28331398

RESUMEN

The taxonomy of the genus Xylocopa Latreille, 1802, subgenus Xenoxylocopa Hurd & Moure, 1963, is reviewed. There is a single valid species in this subgenus, Xylocopa (Xenoxylocopa) inconstans Smith, 1874, which is widely distributed throughout sub-Saharan Africa, from Senegal to Ethiopia and south to northern Republic of South Africa. Synonyms of Xylocopa inconstans include Xylocopa abyssinica Radoszkowski, 1899, proposed for a male specimen from Ethiopia, as well as three names proposed for females with yellow (rather than white) dorsal pubescence: Mesotrichia chiyakensis Cockerell, 1908 (new synonym), Xylocopa inconstans var. flavescens Vachal, 1899, and Xylocopa inconstans var. flavocincta Friese, 1909. Quantitative analyses of body measurements and examination of male reproductive structures support the new synonymy of Mesotrichia chiyakensis with Xylocopa inconstans. Males and females of Xylocopa (Xenoxylocopa) inconstans are illustrated, along with male reproductive structures, and diagnostic characters and keys are provided to separate the males and females of Xylocopa (Xenoxylocopa) inconstans from those of species in other closely-allied African subgenera of the genus Xylocopa.

5.
Zookeys ; (181): 23-43, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-22539909

RESUMEN

Nearly one third of the described species of Cypholoba Chaudoir (Coleoptera: Carabidae) are known to inhabit the Republic of South Africa. A key and diagnostic notes are provided for their identification, as well as notes about way of life for some of the species based on observations in the Kruger National Park. Fifteen species and subspecies of the genus are recorded from the Republic of South Africa; adult specimens of each species and subspecies are illustrated and information about the distribution of each species in the Republic of South Africa is summarized and mapped: Cypholoba alstoni (Péringuey), Cypholoba alveolata (Brême), Cypholoba amatonga Péringuey, Cypholoba fritschi (Chaudoir), Cypholoba gracilis gracilis (Dejean), Cypholoba gracilis scrobiculata (Bertoloni), Cypholoba gracilis zuluana Basilewsky, Cypholoba graphipteroides graphipteroides (Guérin-Méneville), Cypholoba leucospilota semilaevis (Chaudoir), Cypholoba macilenta (Olivier), Cypholoba notata (Perroud), Cypholoba oberthueri seruana Strohmeyer, Cypholoba opulenta (Boheman), Cypholoba rutata (Péringuey), and Cypholoba tenuicollis aenigma (Dohrn).

6.
Zookeys ; (143): 47-81, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-22144866

RESUMEN

A key is presented for the identification of the four species of Anthia Weber (Coleoptera: Carabidae) recorded from the Republic of South Africa: Anthia cinctipennis Lequien, Anthia circumscripta Klug, Anthia maxillosa (Fabricius), and Anthia thoracica (Thunberg). For each of these species, illustrations are provided of adult beetles of both sexes as well as illustrations of male reproductive structures, morphological redescriptions, discussions of morphological variation, annual activity histograms, and maps of occurrence localities in the Republic of South Africa. Maps of occurrence localities for these species are compared against ecoregional and vegetation maps of southern Africa; each species of Anthia shows a different pattern of occupancy across the suite of ecoregions and vegetation types in the Republic of South Africa. Information about predatory and foraging behaviors, Müllerian mimicry, and small-scale vegetation community associations is presented for Anthia thoracica based on field and laboratory studies in Kruger National Park, South Africa.

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