pdf habitat requirements and foraging behaviour of the corsican nuthatch sitta whiteheadi

Pdf habitat requirements and foraging behaviour of the corsican nuthatch sitta whiteheadi

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Selection of mature and old stands by Corsican Nuthatch Sitta whiteheadi in harvested forests

Sitta whiteheadi

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In harvested forests, the bird community is largely determined by stand structure, whichitself is determined by forestry practices. This study aimed to identify habitat variablesdetermining the presence of Corsican Nuthatch Sitta whiteheadi a threatened islandendemic in harvested Corsican Pine Pinus nigra laricio woods, with the aim of mitigat-ing the impact of timber harvest on the bird.

Selection of mature and old stands by Corsican Nuthatch Sitta whiteheadi in harvested forests

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The Corsican Nuthatch Sitta whiteheadi is red-listed as vulnerable to extinction by the IUCN because of its endemism, reduced population size, and recent decline. A further cause is the fragmentation and loss of its spatially-restricted favourite habitat, the Corsican pine Pinus nigra laricio forest. In this study, we aimed at estimating the potential impact of climate change on the distribution of the Corsican Nuthatch using species distribution models. Because this species has a strong trophic association with the Corsican and Maritime pines P. However, the Corsican pine has suffered large distribution losses in the past centuries due to the development of anthropogenic activities, and is now restricted to mountainous woodland. As a consequence, its realized niche is likely significantly smaller than its fundamental niche, so that a projection of the current distribution under future climatic conditions would produce misleading results. To obtain a predicted pine distribution at closest to the geographic projection of the fundamental niche, we used available information on the current pine distribution associated to information on the persistence of isolated natural pine coppices.

Sitta whiteheadi

Lingua lacero-emarginata. Type, by monotypy, Sitta europaea Linnaeus. Linnaeus's Sitta comprised a single species. Sitla , Sida. Dicaeum haematostictum , subsp. Dicrurus leucophaeus ex Buchanga palawanensis Whitehead, , Harpactes , syn. Leptocoma sperata henkei , subsp.

The Corsican Nuthatch Sitta whiteheadi is a bird endemic to Corsica Island and has a very small population. We observed a decrease of Logistic modelling showed that the presence of Nuthatch mainly depended on the degree of crown alteration: the Nuthatch tended to be present when at least one pine had less than 2. We have no evidence of any direct fire-induced mortality, but several effects of fire can explain this population decrease, namely, the reduction of canopy volume, the decrease of the amount of pine seeds, and the reduction of nest-site availability. These results permit us to propose a simple criterion that can help in choosing the plots to be cut where salvage logging is necessary. This is a preview of subscription content, access via your institution. Rent this article via DeepDyve.

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The Corsican Nuthatch Sitta whiteheadi is red-listed as vulnerable to extinction by the IUCN because of its endemism, reduced population size, and recent decline. A further cause is the fragmentation and loss of its spatially-restricted favourite habitat, the Corsican pine Pinus nigra laricio forest. In this study, we aimed at estimating the potential impact of climate change on the distribution of the Corsican Nuthatch using species distribution models.

Selection of mature and old stands by Corsican Nuthatch ...

The Corsican nuthatch Sitta whiteheadi is a small passerine bird that is endemic to Corsica , where it is the only nuthatch. It is restricted to mature stands of Corsican pine Pinus nigra spp. The nuthatches are a genus sitta of passerine birds with short tails and wings, compact bodies and longish pointed bills.

The Key to Scientific Names

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Distribution and population size of the Corsican Nuthatch Sitta whiteheadi

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2 comments

  • Marilu G. 01.06.2021 at 07:22

    PDF | We examined the relationship between the Corsican nuthatch Sitta whiteheadi, a passerine endemic to the island of Corsica and Corsican pine Pinus.

    Reply
  • Dimpna F. 06.06.2021 at 17:31

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