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Titolo:
COMPOSITION AND PHENOLOGY OF AN AVIAN COMMUNITY IN THE RIO-GRANDE PLAIN OF TEXAS
Autore:
VEGA JH; RAPPOLE JH;
Indirizzi:
CAESAR KLEBERG WILDLIFE RES INST KINGSVILLE TX 78363 CONSERVAT & RES CTR FRONT ROYAL VA 22630
Titolo Testata:
The Wilson bulletin
fascicolo: 2, volume: 106, anno: 1994,
pagine: 366 - 380
SICI:
0043-5643(1994)106:2<366:CAPOAA>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOUTH TEXAS; WEATHER; BIRDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
J.H. Vega e J.H. Rappole, "COMPOSITION AND PHENOLOGY OF AN AVIAN COMMUNITY IN THE RIO-GRANDE PLAIN OF TEXAS", The Wilson bulletin, 106(2), 1994, pp. 366-380

Abstract

In October-November 1988 and from middle February 1989 through July 1990 we used mist nets to examine the composition and seasonal occurrence of the avifauna in a dry thorn forest community of the north central portion of the Tamaulipan Biotic Province in Texas. Fifty-nine species and 1269 individuals were captured. Many species usually consideredto reside permanently in the area were not present from November to March; species considered to be winter residents were caught only in low numbers. During the study, rainfall was 55% and 47% of the annual average. We suggest that the drought conditions were associated with reduction of food resources, forcing birds to abandon the area during thewinter of 1989-1990 and to return to breed in low numbers in the spring of 1990. Lack of shrub foliage in spring 1990 may have caused a lower rate of capture for most species in that year because it resulted in the reduction of food resources and shelter.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 16:07:56