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https://www.readbyqxmd.com/read/27616020/camouflage-and-clutch-survival-in-plovers-and-terns
#1
Mary Caswell Stoddard, Krisztina Kupán, Harold N Eyster, Wendoly Rojas-Abreu, Medardo Cruz-López, Martín Alejandro Serrano-Meneses, Clemens Küpper
Animals achieve camouflage through a variety of mechanisms, of which background matching and disruptive coloration are likely the most common. Although many studies have investigated camouflage mechanisms using artificial stimuli and in lab experiments, less work has addressed camouflage in the wild. Here we examine egg camouflage in clutches laid by ground-nesting Snowy Plovers Charadrius nivosus and Least Terns Sternula antillarum breeding in mixed aggregations at Bahía de Ceuta, Sinaloa, Mexico. We obtained digital images of clutches laid by both species...
September 12, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27029518/using-global-sensitivity-analysis-of-demographic-models-for-ecological-impact-assessment
#2
Matthew E Aiello-Lammens, H Resit Akçakaya
Population viability analysis is widely used for assessing population-level impacts of environmental changes on species. When combined with sensitivity analysis, PVA yields insights into the effects of parameter and model structure uncertainty. This helps researchers to prioritize efforts for further data collection so that model improvements are efficient, and helps managers prioritize conservation and management actions. Usually sensitivity is analyzed by varying one input parameter at a time and observing the influence that variation has over model outcomes...
March 31, 2016: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/23613768/local-environment-but-not-genetic-differentiation-influences-biparental-care-in-ten-plover-populations
#3
Orsolya Vincze, Tamás Székely, Clemens Küpper, Monif Alrashidi, Juan A Amat, Araceli Argüelles Ticó, Daniel Burgas, Terry Burke, John Cavitt, Jordi Figuerola, Mohammed Shobrak, Tomas Montalvo, András Kosztolányi
Social behaviours are highly variable between species, populations and individuals. However, it is contentious whether behavioural variations are primarily moulded by the environment, caused by genetic differences, or a combination of both. Here we establish that biparental care, a complex social behaviour that involves rearing of young by both parents, differs between closely related populations, and then test two potential sources of variation in parental behaviour between populations: ambient environment and genetic differentiation...
2013: PloS One
https://www.readbyqxmd.com/read/23610630/human-disturbance-and-stage-specific-habitat-requirements-influence-snowy-plover-site-occupancy-during-the-breeding-season
#4
Alyson F Webber, Julie A Heath, Richard A Fischer
Habitat use has important consequences for avian reproductive success and survival. In coastal areas with recreational activity, human disturbance may limit use of otherwise suitable habitat. Snowy plovers Charadrius nivosus have a patchy breeding distribution along the coastal areas on the Florida Panhandle, USA. Our goal was to determine the relative effects of seasonal human disturbance and habitat requirements on snowy plover habitat use. We surveyed 303 sites for snowy plovers, human disturbance, and habitat features between January and July 2009 and 2010...
April 2013: Ecology and Evolution
https://www.readbyqxmd.com/read/21264268/do-tropical-cyclones-shape-shorebird-habitat-patterns-biogeoclimatology-of-snowy-plovers-in-florida
#5
Matteo Convertino, James B Elsner, Rafael Muñoz-Carpena, Gregory A Kiker, Christopher J Martinez, Richard A Fischer, Igor Linkov
BACKGROUND: The Gulf coastal ecosystems in Florida are foci of the highest species richness of imperiled shoreline dependent birds in the USA. However environmental processes that affect their macroecological patterns, like occupancy and abundance, are not well unraveled. In Florida the Snowy Plover (Charadrius alexandrinus nivosus) is resident along northern and western white sandy estuarine/ocean beaches and is considered a state-threatened species. METHODOLOGY/PRINCIPAL FINDINGS: Here we show that favorable nesting areas along the Florida Gulf coastline are located in regions impacted relatively more frequently by tropical cyclones...
2011: PloS One
https://www.readbyqxmd.com/read/18624252/waterbirds-other-than-laridae-nesting-in-the-middle-section-of-laguna-cuyutl%C3%A3-n-colima-m%C3%A3-xico
#6
Eric Mellink, Mónica E Riojas-López
Laguna de Cuyutlán, in the state of Colima, Mexico, is the only large coastal wetland in a span of roughly 1150 km. Despite this, the study of its birds has been largely neglected. Between 2003 and 2006 we assessed the waterbirds nesting in the middle portion of Laguna Cuyutlán, a large tropical coastal lagoon, through field visits. We documented the nesting of 15 species of non-Laridae waterbirds: Neotropic Cormorant (Phalacrocorax brasilianus), Tricolored Egret (Egretta tricolor), Snowy Egret (Egretta thula), Little Blue Heron (Egretta caerulea), Great Egret (Ardea alba), Cattle Egret (Bubulcus ibis), Black-crowned Night-heron (Nycticorax nycticorax), Yellow-crowned Night-heron (Nyctanassa violacea), Green Heron (Butorides virescens), Roseate Spoonbill (Platalea ajaja), White Ibis (Eudocimus albus), Black-bellied Whistling-duck (Dendrocygna autumnalis), Clapper Rail (Rallus longirostris), Snowy Plover (Charadrius alexandrinus), and Black-necked Stilt (Himantopus mexicanus)...
March 2008: Revista de Biología Tropical
https://www.readbyqxmd.com/read/16253287/elevated-mercury-concentrations-in-failed-eggs-of-snowy-plovers-at-point-reyes-national-seashore
#7
COMPARATIVE STUDY
Steven E Schwarzbach, Mark Stephenson, Tamiko Ruhlen, Sue Abbott, Gary W Page, Dawn Adams
No abstract text is available yet for this article.
November 2005: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/11562710/helminth-parasites-in-six-species-of-shorebirds-charadrii-from-the-coast-of-belize
#8
A G Canaris, J M Kinsella
Thirteen species of helminth parasites were recovered from six species of charadriid shorebirds (Aves: Charadriiformes) from Belize: the ruddy turnstone, Arenaria interpres, the snowy plover, Charadrius alexandrinus, the semipalmated plover, C. semipalmatus, the killdeer, C. vociferus, the white-rumped sandpiper, Calidris fuscicollis, and the black-bellied plover, Pluvialis squatarola. Cestode species were predominant (N = 8), followed by trematode species (N = 3) and acanthocephala (N = 2). The trematode, Paramaritremopsis solielangi infected four of the six species of hosts...
August 2001: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/10874078/contaminants-in-eggs-of-western-snowy-plovers-and-california-least-terns-is-there-a-link-to-population-decline
#9
R L Hothem, A N Powell
No abstract text is available yet for this article.
July 2000: Bulletin of Environmental Contamination and Toxicology
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