Nest predation in a Malaysian lowland rain forest

Cooper, Daniel S.; Francis, Charles M.

doi:10.1016/s0006-3207(97)00118-3

Cited by 29 publications

(23 citation statements)

References 10 publications

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“…Our findings on ground nests do not support the edge effect hypothesis, because the predation rates along forest edge (84% and 86% in two sites, respectively) were not significantly different from those in natural forest (73% and 66%). Several studies in neotropical and Southeast Asian rainforest reported edge effects on ground nest predation at various edges, including transitions between a minor road and forest, between logged and unlogged forest as well as forest-pasture edges (Burkey 1993;Cooper and Francis 1998;Estrada et al 2002). Gibbs (1991) documented an increased predation risk on ground nests at edges between indigenous and second growth forest in Costa Rica, but not at edges between forest and pasture.…”

Section: Discussionmentioning

confidence: 99%

“…The presence of increased nest predation due to edge creation was also documented in neotropical, Singapore and Javan forests (Loiselle and Hoppes 1983;Gibbs 1991;Burkey 1993;Cooper and Francis 1998;Sodhi et al 2003). High predation rates may occur in forest margin areas due to more diverse predator assemblages and their numerical responses to habitat alteration.…”

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confidence: 92%

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Nest Predation Risk on Ground and Shrub Nests in Forest Margin Areas of Sulawesi, Indonesia

2006

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Forest loss and fragmentation in Indonesia may seriously affect the survivorship of forest birds and lead to local extinction of bird populations. We used 786 artificial nests baited with quail eggs to examine the effect of habitat alteration on nest predation in Lore Lindu National Park, Sulawesi. Natural forest and four habitats of forest margin areas: forest edge, forest gardens, coffee plantations, and secondary forest, were studied. Two types of artificial nests, ground and shrub nests were placed in these habitats at two different locations for a period of 8 days. In addition, we used automatic cameras and cage-traps to identify the predators. Nests in shrubs experienced significantly higher predation rates in forest margin areas than in natural forest. Predation on ground nests did not differ significantly between these habitat types, but was significantly higher than that on shrub nests in each habitat except forest edge. Rodents were the most common predators of both nests, but shrub nests were also susceptible to Dwarf cuscus (Strigocuscus celebensis), squirrels, and tree snakes. The nest predation rates we found were among the highest found in tropical rainforests, probably a consequence of the unique predator assemblages of Sulawesi. These results suggest that egg survival is negatively affected by human intervention and that human-induced habitats might have only limited importance for the conservation of Sulawesi's largely endemic understorey avifauna. These considerations might be important since forest margins comprise significant proportions of protected areas on Sulawesi and play an important role in future Park zoning concepts as well as in conservation-oriented land use management.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 92%

Nest Predation Risk on Ground and Shrub Nests in Forest Margin Areas of Sulawesi, Indonesia

2006

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“…Increased access of open-country species to forests can lead to greater competition for resources and greater predation pressure (Yap and Sodhi 2004). Nest predation is also higher at the interface of forest and disturbed habitat (e.g., Gibbs 1991, Bur�ey 1993, Cooper and Francis 1998, where certain predators may be more efficient in detecting nests. The loss of large predatory species associated with overexploitation in deforested areas (�aily et al , Wright 2003) may increase populations of small and medium-sized mammals (i.e., mesopredator release) and, thus, exacerbate birds' vulnerability to predation.…”

Section: Overall Patternsmentioning

confidence: 99%

“…Therefore, elevated mesopredator population densities may explain some species extinctions in forest fragments (Sieving 1992). Although some evidence points to predation pressure generally being lower in less disturbed forests (Cooper andFrancis 1998, Wong et al 1998), patterns across the tropics vary depending on the local fauna and the extent of disturbance (e.g., Carlson and Hartman 2001, Posa et al 200�).…”

Section: Overall Patternsmentioning

confidence: 99%

Edge Responses of Tropical and Temperate Birds

Lindell¹,

Riffell²,

Kaiser³

et al. 2007

The Wilson Journal of Ornithology

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“…Muitas informações obtidas, a partir de experimentos com ninhos artificiais, em relação aos padrões de predação são provenientes de áreas temperadas, mas há poucos estudos em áre-as tropicais (LOISELLE & HOPPES 1983, GIBBS 1991, COOPER & FRANCIS 1998, WONG et al 1998, ESTRADA et al 2002, SODHI et al 2003.…”

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Predação de ninhos artificiais em uma ilha na Mata Atlântica: testando o local e o tipo de ovo

Alvarez

Galetti

2007

Rev. Bras. Zool.

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Experimentos com ninhos artificiais são utilizados para testar hipóteses ecológicas e comportamentais que influenciam na predação de ninhos naturais. O tamanho do ovo, a textura da casca e a cor podem influenciar na taxa de predação, porém poucos estudos avaliam qual modelo de ovo é o mais adequado para simular a predação de ninhos em áreas tropicais. O objetivo deste trabalho foi comparar a predação de diferentes modelos de ovos (ovos de codorna, massa de modelar e canários) no solo e a 1,30 m de altura no sub-bosque. O experimento foi realizado Ilha Anchieta, Ubatuba, São Paulo, Brasil. Foi encontrada uma diferença significativa na taxa de predação entre os ovos de codorna (71,87%) e sintéticos (93,75%) e entre os ovos de codorna e de canário (100%) no solo. Entretanto, não houve diferença significativa entre os ovos sintéticos e de canário. Os ninhos no sub-bosque apresentaram um padrão diferenciado do solo quando se refere aos ovos de codorna (25%) e sintéticos (28,1%), mas houve diferenças significativas quando os ovos de canário foram comparados com os ovos sintéticos e de codorna. Nosso trabalho demonstrou que diferentes tipos de ovos sobre uma mesma pressão de mesopredadores apresentaram taxas de predação diferentes. Portanto, estudos que avaliam o sucesso reprodutivo da avifauna baseado na predação de ninhos artificiais devem considerar a utilização de diferentes tipos de ovos e estratos na vegetação.

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Nest predation in a Malaysian lowland rain forest

Cited by 29 publications

References 10 publications

Nest Predation Risk on Ground and Shrub Nests in Forest Margin Areas of Sulawesi, Indonesia

Nest Predation Risk on Ground and Shrub Nests in Forest Margin Areas of Sulawesi, Indonesia

Edge Responses of Tropical and Temperate Birds

Predação de ninhos artificiais em uma ilha na Mata Atlântica: testando o local e o tipo de ovo

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