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Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia

Received: 16 April 2014     Accepted: 9 May 2014     Published: 20 May 2014
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Abstract

Connectivity is one of the important issues in the context of natural resources due to its potential in preventing the impact of habitat fragmentation. Landscape forest connectivity facilitates organism movement, genetic exchange, and other ecological material flows. Loss of connectivity may result declining of ecosystem production and cut the material flows within the forest ecosystems. Connectivity degree is needed to determine the management strategy of forest landscape as a wildlife habitat. This paper defines connectivity index of forest landscape in Batang Toru watershed, and describes correlation between connectivity with ecological indicators, biophysical and anthropogenic factors. Landsat satellite imageries acquired in 1989, 2001 and 2013 were used to detect land cover in several different years. Fragstat was used to generate landscape metrics. Landscape metrics were analyzed using a scoring method to determine the connectivity index of forest landscape. A Pearson correlation analysis was performed to obtain a correlation between connectivity index and the distance from roads, the distance from rivers, elevation and slope. The study found that the landscape connectivity tend to decline over the period from 1989 to 2013. The lowest connectivity index was found in the downstream area of Batang Toru watershed. Areas with low connectivity index were identified as having a relatively low diversity index of tree species. The connectivity index of forest landscape has a positive correlation with the distance from roads and the distance from rivers.

Published in Agriculture, Forestry and Fisheries (Volume 3, Issue 3)
DOI 10.11648/j.aff.20140303.12
Page(s) 147-154
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Fragmentation, Species Diversity Index, Fragstat, Ecosystem

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Cite This Article
  • APA Style

    Samsuri, I. Nengah Surati Jaya, Cecep Kusmana, Kukuh Murtilaksono. (2014). Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia. Agriculture, Forestry and Fisheries, 3(3), 147-154. https://doi.org/10.11648/j.aff.20140303.12

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    ACS Style

    Samsuri; I. Nengah Surati Jaya; Cecep Kusmana; Kukuh Murtilaksono. Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia. Agric. For. Fish. 2014, 3(3), 147-154. doi: 10.11648/j.aff.20140303.12

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    AMA Style

    Samsuri, I. Nengah Surati Jaya, Cecep Kusmana, Kukuh Murtilaksono. Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia. Agric For Fish. 2014;3(3):147-154. doi: 10.11648/j.aff.20140303.12

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  • @article{10.11648/j.aff.20140303.12,
      author = {Samsuri and I. Nengah Surati Jaya and Cecep Kusmana and Kukuh Murtilaksono},
      title = {Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia},
      journal = {Agriculture, Forestry and Fisheries},
      volume = {3},
      number = {3},
      pages = {147-154},
      doi = {10.11648/j.aff.20140303.12},
      url = {https://doi.org/10.11648/j.aff.20140303.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20140303.12},
      abstract = {Connectivity is one of the important issues in the context of natural resources due to its potential in preventing the impact of habitat fragmentation. Landscape forest connectivity facilitates organism movement, genetic exchange, and other ecological material flows. Loss of connectivity may result declining of ecosystem production and cut the material flows within the forest ecosystems. Connectivity degree is needed to determine the management strategy of forest landscape as a wildlife habitat. This paper defines connectivity index of forest landscape in Batang Toru watershed, and describes correlation between connectivity with ecological indicators, biophysical and anthropogenic factors. Landsat satellite imageries acquired in 1989, 2001 and 2013 were used to detect land cover in several different years. Fragstat was used to generate landscape metrics.  Landscape metrics were analyzed using a scoring method to determine the connectivity index of forest landscape. A Pearson correlation analysis was performed to obtain a correlation between connectivity index and the distance from roads, the distance from rivers, elevation and slope. The study found that the landscape connectivity tend to decline over the period from 1989 to 2013. The lowest connectivity index was found in the downstream area of Batang Toru watershed. Areas with low connectivity index were identified as having a relatively low diversity index of tree species. The connectivity index of forest landscape has a positive correlation with the distance from roads and the distance from rivers.},
     year = {2014}
    }
    

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  • TY  - JOUR
    T1  - Connectivity and Ecological Indicators Analysis of Tropical Forest Landscape in Batang Toru Watershed - Indonesia
    AU  - Samsuri
    AU  - I. Nengah Surati Jaya
    AU  - Cecep Kusmana
    AU  - Kukuh Murtilaksono
    Y1  - 2014/05/20
    PY  - 2014
    N1  - https://doi.org/10.11648/j.aff.20140303.12
    DO  - 10.11648/j.aff.20140303.12
    T2  - Agriculture, Forestry and Fisheries
    JF  - Agriculture, Forestry and Fisheries
    JO  - Agriculture, Forestry and Fisheries
    SP  - 147
    EP  - 154
    PB  - Science Publishing Group
    SN  - 2328-5648
    UR  - https://doi.org/10.11648/j.aff.20140303.12
    AB  - Connectivity is one of the important issues in the context of natural resources due to its potential in preventing the impact of habitat fragmentation. Landscape forest connectivity facilitates organism movement, genetic exchange, and other ecological material flows. Loss of connectivity may result declining of ecosystem production and cut the material flows within the forest ecosystems. Connectivity degree is needed to determine the management strategy of forest landscape as a wildlife habitat. This paper defines connectivity index of forest landscape in Batang Toru watershed, and describes correlation between connectivity with ecological indicators, biophysical and anthropogenic factors. Landsat satellite imageries acquired in 1989, 2001 and 2013 were used to detect land cover in several different years. Fragstat was used to generate landscape metrics.  Landscape metrics were analyzed using a scoring method to determine the connectivity index of forest landscape. A Pearson correlation analysis was performed to obtain a correlation between connectivity index and the distance from roads, the distance from rivers, elevation and slope. The study found that the landscape connectivity tend to decline over the period from 1989 to 2013. The lowest connectivity index was found in the downstream area of Batang Toru watershed. Areas with low connectivity index were identified as having a relatively low diversity index of tree species. The connectivity index of forest landscape has a positive correlation with the distance from roads and the distance from rivers.
    VL  - 3
    IS  - 3
    ER  - 

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Author Information
  • Forestry Department, Sumatra Utara University, Medan, Indonesia

  • Forest Management Department, Bogor Agricultural University, Bogor, Indonesia

  • Silviculture Department, Bogor Agricultural University, Bogor, Indonesia

  • Soil and Land Resources Department, Bogor Agricultural University, Bogor, Indonesia

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