About: When do altricial birds reach maximum of their brood defence intensity?

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.springerlink.com/content/yq50gl24w2231878/?p=90a33b985da04dd2a8e74e5a0049e58d&pi=10
Description	It has been suggested that the brood defence by parents of altricial birds should increase during the breeding attempt until the young depart from the nest. The two proximate hypotheses provide alternative predictions about the peak of brood defence intensity: (1) the vulnerability hypothesis predicts a rapid rise in brood defence after hatching of the chicks, with maximum defence intensity just before fledging and strong decline afterwards; (2) the feedback hypothesis predicts that brood defence intensity will, after a rapid rise, reach a plateau at the end of the nestling period and early after fledging and then slowly decline. I compared brood defence behaviour of altricial meadow pipit (Anthus pratensis) breeding in the Czech Republic during the late nestling stage and during the fledging time. A stuffed stoat (Mustela erminea) was placed 5 m from a meadow pipit nest and the defence behaviour of parents was recorded for 10 min from a hide. Brood defence intensity was higher during the fledgling ti It has been suggested that the brood defence by parents of altricial birds should increase during the breeding attempt until the young depart from the nest. The two proximate hypotheses provide alternative predictions about the peak of brood defence intensity: (1) the vulnerability hypothesis predicts a rapid rise in brood defence after hatching of the chicks, with maximum defence intensity just before fledging and strong decline afterwards; (2) the feedback hypothesis predicts that brood defence intensity will, after a rapid rise, reach a plateau at the end of the nestling period and early after fledging and then slowly decline. I compared brood defence behaviour of altricial meadow pipit (Anthus pratensis) breeding in the Czech Republic during the late nestling stage and during the fledging time. A stuffed stoat (Mustela erminea) was placed 5 m from a meadow pipit nest and the defence behaviour of parents was recorded for 10 min from a hide. Brood defence intensity was higher during the fledgling ti (en) Výsledky této studie prokázaly, že intenzita obrany mláďat u lindušky luční stoupala i nějaký čas po vyvedení z hnízda. Tento trend byl výraznější u samců než u samic. V průběhu vyvádění mláďat z hnízda (snižování počtu mláďat v hnízdě) intenzita obrany hnízda neklesala. Výsledky jsou ve shodě s předpověďmi %22feedback%22 hypotézy a nepotvrzují předpovědi %22vulnerability%22 hypotézy. (cs)
Title	When do altricial birds reach maximum of their brood defence intensity? When do altricial birds reach maximum of their brood defence intensity? (en) Kdy dosahují krmiví ptáci maximální intenzity obrany hnízda? (cs)
skos:prefLabel	When do altricial birds reach maximum of their brood defence intensity? When do altricial birds reach maximum of their brood defence intensity? (en) Kdy dosahují krmiví ptáci maximální intenzity obrany hnízda? (cs)
skos:notation	RIV/61989592:15310/06:00003285!RIV07-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP206/02/P074), Z(MSM6198959212)
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Pavel, Václav
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	508984
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00003285
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Nest defence; Brood defence; Feedback hypothesis; Vulnerability hypothesis; Age of brood; Fledging; Meadow pipit; Anthus pratensis (en)
http://linked.open.../riv/klicoveSlovo	Age of brood Brood defence Feedback hypothesis Fledging Meadow pipit Vulnerability hypothesis Anthus pratensis Nest defence
http://linked.open...i/riv/kodPristupu	V
http://linked.open...ontrolniKodProRIV	[695054ACF3E3]
http://linked.open...telVyzkumneZpravy	Springer-Verlag Tokyo
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	The comparative study of reproductive strategies of some mountain passerines aimed at nest predation and antipredator strategies
http://linked.open...UplatneniVysledku	2006
http://linked.open...iv/tvurceVysledku	Pavel, Václav
http://linked.open...n/vavai/riv/zamer	Life-history strategies of animals: proximate and ultimate mechanisms
http://localhost/t...ganizacniJednotka	15310

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