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Titolo:
INTERSPECIFIC LABORATORY COMPETITION OF THE RECENTLY SYMPATRIC SPECIES DROSOPHILA-SUBOBSCURA AND DROSOPHILA-PSEUDOOBSCURA
Autore:
PASCUAL M; SERRA L; AYALA FJ;
Indirizzi:
UNIV CALIF IRVINE,DEPT ECOL & EVOLUTIONARY BIOL IRVINE CA 92717 UNIV BARCELONA,DEPT GENET BARCELONA 08071 SPAIN
Titolo Testata:
Evolution
fascicolo: 1, volume: 52, anno: 1998,
pagine: 269 - 274
SICI:
0014-3820(1998)52:1<269:ILCOTR>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
COLONIZATION; AMERICA; EVOLUTION; TESTS; CALIFORNIA;
Keywords:
COLONIZING SPECIES; COMPETITION BETWEEN SPECIES; DROSOPHILA PSEUDOOBSCURA; DROSOPHILA SUBOBSCURA; RELATIVE FITNESS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
M. Pascual et al., "INTERSPECIFIC LABORATORY COMPETITION OF THE RECENTLY SYMPATRIC SPECIES DROSOPHILA-SUBOBSCURA AND DROSOPHILA-PSEUDOOBSCURA", Evolution, 52(1), 1998, pp. 269-274

Abstract

Drosophila subobscura and D. pseudoobscura are closely related species coexisting on the West Coast of North America, which was recently colonized by D. subobscura. In competition experiments with overlapping generations, D. subobscura is eliminated by D. pseudoobscura in a few generations at all four temperatures and two initial frequencies tested. Yet in one-species cultures, D. subobscura thrives at all experimental conditions. Single-generation competition experiments reveal lowersurvivorship and productivity of D. subobscura at all temperatures and frequencies. Productivity per female is dependent on the initial frequencies: greater for D. subobscura as its initial frequency becomes higher, but lower for D. pseudoobscura as its frequency becomes higher. Strains of D. subobscura from three disparate geographic origins yield similar results.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 23:48:32