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  • Patterns of tropical forest dynamics and human impacts: Views from above and below the canopy - ePrints@ATREE
    and fauna Assessments of forest condition change using time series of remotely sensed data need to be supported by measurements under the canopy The Tadoba Andhari Tiger Reserve TATR in India is a protected area that has a long history of human resource extraction and settlements Like much of South Asia it has undergone major shifts in rainfall in the last hundred years We examine trends in forest greenness over two and half decades and assess spatial patterns in rates of change We also analyze ground based measurements of human impacts on flora and fauna Trends in forest canopy greenness show two distinct phases a period of decline from 1980s to mid 90s followed by a recovery These trends are a function of initial greenness and are best explained by prevailing climatic regimes feed backs from human use and park management practices and protection Negative impacts to flora and fauna on the ground were however wide spread during the recovery period and are influenced by proximity to nearest settlement as well as combined distance from all settlements Remotely sensed data cannot effectively detect these processes under the canopy There is an urgent need to incorporate monitoring of long term bio

    Original URL path: http://eprints.atree.org/6/ (2016-05-01)
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  • Items where Year is 2008 - ePrints@ATREE
    Type No Grouping Jump to Article Number of items 3 Article Manju Sharma V and Kuriakose Giby and Kundaranahalli Shivanna R 2008 Reproductive strategies of Strobilanthes kunthianus an endemic semelparous species in southern Western Ghats India Botanical Journal of the Linnean Society 157 1 pp 155 163 Nagendra Harini and Rocchini Duccio 2008 High resolution satellite imagery for tropical biodiversity studies the devil is in the detail Biodiversity Conservation 17

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  • Items where Year is 2008 - ePrints@ATREE
    Creators Item Type No Grouping Number of items 3 Manju Sharma V and Kuriakose Giby and Kundaranahalli Shivanna R 2008 Reproductive strategies of Strobilanthes kunthianus an endemic semelparous species in southern Western Ghats India Botanical Journal of the Linnean Society 157 1 pp 155 163 Nagendra Harini and Rocchini Duccio 2008 High resolution satellite imagery for tropical biodiversity studies the devil is in the detail Biodiversity Conservation 17 14 pp

    Original URL path: http://eprints.atree.org/view/year/2008.default.html (2016-05-01)
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  • Reproductive strategies of Strobilanthes kunthianus, an endemic, semelparous species in southern Western Ghats, India - ePrints@ATREE
    flowering and mast seeding once in 12 years As semelparous plants have only one chance to reproduce they are expected to develop effective strategies to prevent reproductive failure The reproductive strategies of S kunthianus were investigated by studying the floral traits pollination biology and breeding system that are critical for reproductive success The species exhibits a series of floral traits 1 gregarious flowering attracts a large number of Apis cerana indica the major pollinator 2 the stigma is sensitive to touch by the pollinator in fresh flowers the receptive surface faces the entry path of the incoming bee facilitating pollen deposition as an immediate response the stigma curves backwards moving the receptive surface away from the path of the exiting bee thus preventing autogamy and interference in pollen transfer 3 flowers remain fresh for 2 days with receptive stigma and nectar and pollen reward These traits render the species 100 pollination efficient to ensure a high seed set As the species is self compatible the prevailing high degree of geitonogamous pollinations does not interfere with fruit set The evolution of the adaptive floral traits has facilitated mast seeding in the species Item Type Article Additional Information Copyrights of this article

    Original URL path: http://eprints.atree.org/19/ (2016-05-01)
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  • High resolution satellite imagery for tropical biodiversity studies: the devil is in the detail - ePrints@ATREE
    more developed in temperate areas The biodiverse tropics oVer a challenge of an altogether diVerent magnitude for hyperspatial and hyperspectral remote sensing This paper examines issues related to hyperspatial and hyperspectral remotely sensed imagery which constitutes one of the most potentially powerful yet underutilized sources of for tropical research on biodiversity Hyperspatial data with their increased pixel resolution are possibly best suited at facilitating the accurate location of features such as tree canopies but less suited to the identiWcation of aspects such as species identity particularly when spatial resolution becomes too Wne and pixels are smaller than the size of the object e g tree canopy being identiWed Hyperspectral data on the other hand with their high spectral resolution can be used to record information pertaining to a range of critical plant properties related to species identity and can be very eVective used for discriminating tree species in tropical forests despite the greater complexity of such environments There remains a glaring gap in the easy availability of hyperspectral and hyperspatial satellite data in the tropics due to reasons of cost data coverage and security restrictions Stimulating discussion on the applications of this powerful but underutilized tool by ecologists is the

    Original URL path: http://eprints.atree.org/15/ (2016-05-01)
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  • Do Parks Work? Impact of Protected Areas on Land Cover Clearing - ePrints@ATREE
    protected areas on land cover clearing using a metadata analysis of information on 49 locations from 22 countries Protected areas had significantly lower rates of clearing in comparison to their surroundings In addition protected areas had also significantly lowered rates of clearing within their boundary following initiation of protection Thus protected areas do appear to be effective at limiting overall landcover clearing There was some variation in the rates of clearing across regions where most protected areas from North America and Europe showed positive rates of landcover change while protected areas from Asia had the highest rates of land cover clearing While most protected areas from North America and Europe involved a relatively smaller number of actors a greater number of actors and drivers of clearing was implicated in protected areas from Asia Africa and Latin America indicating the increased difficulties faced by park management in these regions In contrast country income levels and the International Union for the Conservation of Nature and Natural Resources category of protection did not appear to impact the likelihood of land cover clearing in protected areas Item Type Article Additional Information Copyrights of this article belongs to Royal Swedish Academy of Sciences Subjects C

    Original URL path: http://eprints.atree.org/21/ (2016-05-01)
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  • Items where Year is 2007 - ePrints@ATREE
    METS Object IDs OpenURL ContextObject RDF N Triples RDF N3 RDF XML Refer Reference Manager Atom RSS 1 0 RSS 2 0 Group by Creators Item Type No Grouping Jump to Article Number of items 1 Article Bali Archana and Kumar Ajith and Krishnaswamy Jagdish 2007 The mammalian communities in coffee plantations around a protected area in the Western Ghats India Biological Conservation 139 1 2 pp 93 102 This

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  • Items where Year is 2007 - ePrints@ATREE
    Citation JSON METS Object IDs OpenURL ContextObject RDF N Triples RDF N3 RDF XML Refer Reference Manager Atom RSS 1 0 RSS 2 0 Group by Creators Item Type No Grouping Number of items 1 Bali Archana and Kumar Ajith and Krishnaswamy Jagdish 2007 The mammalian communities in coffee plantations around a protected area in the Western Ghats India Biological Conservation 139 1 2 pp 93 102 This list was

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