Evaluation of function and landscape ecological connectivity ‎ in Khamir-Qeshm mangrove forests

Document Type : Research Article

Authors

1 Postdoctoral researcher, Department of Environmental Science, Natural Resources Faculty, ‎University of Tehran, Karaj, Iran

2 Professor, Department of Environmental Science, Natural Resources Faculty, University of ‎Tehran, Karaj, Iran

Abstract

Ecological connectivity function is one of the most important types of biological connections ‎among natural ecosystems due to providing ecological connections. Habitat fragmentation and ‎the subsequent decline of landscape ecological connectivity is one of the main reasons for the ‎devastation of biodiversity. Accordingly, in the present study, using the landscape ecology ‎approach, the function and landscape ecological connectivity was evaluated in the mangrove ‎forests of Khamir-Qeshm. In this way, by identifying the ecological functions and prioritizing ‎the barrier effect, the state of ecological continuity was discussed in this area from 1989-2021. ‎The results demonstrated that the most dispersion of ecological functions can be seen in the ‎bare land‎ and the most barrier effect in the tidal area‎. According to the ecological functions and ‎the existing barriers, most of the mangrove forests of Khamir-Qeshm are under the influence of ‎ecological barriers, the reasons for which can be mentioned to the development of human ‎activities, the reduction of forest lands, and the advancement of water body and tidal area in the ‎region. The results indicate a decreasing trend in the function and ecological continuity of the ‎area, and on the contrary, an increasing trend in the barriers effect. Ecological ‎functions and continuity have a direct relationship with the density of mangrove forests, ‎meaning that with the reduction of forest habitats under the influence of environmental and ‎human hazards, the level of ecological function and continuity has also decreased. According to ‎the results, the assessment of ecological function and continuity can provide the possibility of ‎analyzing the principles of development activities to increase human well-being by maintaining ‎habitat continuity and increasing the stability of ecosystems. The results of this study, as a ‎management solution, can help to protect and plan properly in line with human activities ‎development, followed by environmental risks and consequences.

Keywords

Main Subjects

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History

  • Receive Date: 15 May 2023
  • Revise Date: 21 June 2023
  • Accept Date: 23 June 2023

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