Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis

Clearing of caldén (Prosopis caldenia) forests for agriculture and cattle raising in east-central La Pampa Province, central Argentina, has created a highly fragmented landscape, a condition that has resulted in adverse effects on birds in other forests, mainly through increased predation rates near...

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Detalles Bibliográficos
Autor principal: Sosa, Ramón Alberto
Publicado: 2017
Materias:
Artificial nests
Fragmentation
Predation
Prosopis caldenia
Semiarid forest
artificial nest
bird
breeding season
edge effect
habitat fragmentation
height
nest predation
patch size
semiarid region
survival
tree
Argentina
La Pampa
Aves
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09123814_v32_n2_p129_Sosa
http://hdl.handle.net/20.500.12110/paper_09123814_v32_n2_p129_Sosa
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_09123814_v32_n2_p129_Sosa
record_format dspace
spelling paper:paper_09123814_v32_n2_p129_Sosa2023-06-08T15:49:59Z Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis Sosa, Ramón Alberto Artificial nests Fragmentation Predation Prosopis caldenia Semiarid forest artificial nest bird breeding season edge effect habitat fragmentation height nest predation patch size semiarid region survival tree Argentina La Pampa Aves Prosopis caldenia Clearing of caldén (Prosopis caldenia) forests for agriculture and cattle raising in east-central La Pampa Province, central Argentina, has created a highly fragmented landscape, a condition that has resulted in adverse effects on birds in other forests, mainly through increased predation rates near forest edges. We evaluated bird nest predation rates using artificial nests, assessing the effects of forest fragment size, distance to the edge and nest height. We measured survival rate of 570 artificial nests located in trees, in bushes and on the ground, at different distances from the edge, in six forest fragments ranging in size from 2.1 to 117.6 ha, during two consecutive breeding seasons. Nest predation rates were significantly related with the number of days of exposition of the nest, nest height and distance to the edge, whereas fragment size and year of the experiment were not associated with predation rates. Ground nests were less likely to be predated than those located in bushes and trees. Predation rates decreased with the distance to the edge, showing a pattern consistent with the existence of an edge effect. © 2017, The Ecological Society of Japan. Fil:Sosa, R.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09123814_v32_n2_p129_Sosa http://hdl.handle.net/20.500.12110/paper_09123814_v32_n2_p129_Sosa
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Artificial nests
Fragmentation
Predation
Prosopis caldenia
Semiarid forest
artificial nest
bird
breeding season
edge effect
habitat fragmentation
height
nest predation
patch size
semiarid region
survival
tree
Argentina
La Pampa
Aves
Prosopis caldenia
spellingShingle Artificial nests
Fragmentation
Predation
Prosopis caldenia
Semiarid forest
artificial nest
bird
breeding season
edge effect
habitat fragmentation
height
nest predation
patch size
semiarid region
survival
tree
Argentina
La Pampa
Aves
Prosopis caldenia
Sosa, Ramón Alberto
Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
topic_facet Artificial nests
Fragmentation
Predation
Prosopis caldenia
Semiarid forest
artificial nest
bird
breeding season
edge effect
habitat fragmentation
height
nest predation
patch size
semiarid region
survival
tree
Argentina
La Pampa
Aves
Prosopis caldenia
description Clearing of caldén (Prosopis caldenia) forests for agriculture and cattle raising in east-central La Pampa Province, central Argentina, has created a highly fragmented landscape, a condition that has resulted in adverse effects on birds in other forests, mainly through increased predation rates near forest edges. We evaluated bird nest predation rates using artificial nests, assessing the effects of forest fragment size, distance to the edge and nest height. We measured survival rate of 570 artificial nests located in trees, in bushes and on the ground, at different distances from the edge, in six forest fragments ranging in size from 2.1 to 117.6 ha, during two consecutive breeding seasons. Nest predation rates were significantly related with the number of days of exposition of the nest, nest height and distance to the edge, whereas fragment size and year of the experiment were not associated with predation rates. Ground nests were less likely to be predated than those located in bushes and trees. Predation rates decreased with the distance to the edge, showing a pattern consistent with the existence of an edge effect. © 2017, The Ecological Society of Japan.
author Sosa, Ramón Alberto
author_facet Sosa, Ramón Alberto
author_sort Sosa, Ramón Alberto
title Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
title_short Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
title_full Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
title_fullStr Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
title_full_unstemmed Edge effect on bird nest predation in the fragmented caldén (Prosopis caldenia) forest of central Argentina: an experimental analysis
title_sort edge effect on bird nest predation in the fragmented caldén (prosopis caldenia) forest of central argentina: an experimental analysis
publishDate 2017
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09123814_v32_n2_p129_Sosa
http://hdl.handle.net/20.500.12110/paper_09123814_v32_n2_p129_Sosa
work_keys_str_mv AT sosaramonalberto edgeeffectonbirdnestpredationinthefragmentedcaldenprosopiscaldeniaforestofcentralargentinaanexperimentalanalysis
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