animal biosystematic
Sayyad Sheykhi; Hamidreza Rezaei; Anooshe Kafash; Masoud Yousefi
Abstract
Hyrcanian forests are rich in the sense of biological diversity. Cavity-nesting birds are considered an indicator of bird diversity in these forest ecosystem. To help conservation of avian diversity in Hyrcanian forests, we applied ensemble of three species distribution models (Generalised Boosted Models, ...
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Hyrcanian forests are rich in the sense of biological diversity. Cavity-nesting birds are considered an indicator of bird diversity in these forest ecosystem. To help conservation of avian diversity in Hyrcanian forests, we applied ensemble of three species distribution models (Generalised Boosted Models, Maximum Entropy modeling, Random Forest) and predicted the impacts of climate change on distribution of Dendrocopos major an important tree-cavity nesting bird in the area. We also estimated protected areas coverage for suitable habitat of the species in Hyrcanian forests. Results showed that area of suitable habitat of the species is and this will increase to 30805 by 2070 and 34392 by 2100. We also found that 15 percent of the species suitable habitat covered by protected areas.
animal biosystematic
Mona Izadian; Farhad Hosseini Tayefeh; Saber Ghasemi; Seyyed Ghasem Ghorbanzadeh Zaferani
Abstract
Persian Salamander (Persian Brook Salamander Paradactylodon persicus) is one of the unique genetic treasures of Iranian amphibians whose Hyrcanian forests of northern Iran are the last end of its southwestern distribution in Asia. Until 2019, two separate species including the Iranian Salamander P. persicus ...
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Persian Salamander (Persian Brook Salamander Paradactylodon persicus) is one of the unique genetic treasures of Iranian amphibians whose Hyrcanian forests of northern Iran are the last end of its southwestern distribution in Asia. Until 2019, two separate species including the Iranian Salamander P. persicus in the west and center and the salamander of Gorgani P. gorganensis in the east of Hyrcania were introduced, but based on the NGS and phylogenetic sequencing data, these salamanders are classified as the single species of the Iranian salamander Paradactylodon persicus. The eastern population is Critically Endangered (CR) and the central and western population is Near Threatened (NT) on the red list of the International Union for Conservation of Nature (IUCN), and it is necessary to planning of conservation programs. Based on the guidelines proposed by Species Survival Working Group of the International Union for Conservation of Nature (IUCN/SSC), this research identifies the threats and provides management plan in the form of strategic programs for the conservation and management of the Iranian Salamander population. The most important threats to the species include sample collection, the presence of domestic and wild animals, destruction of springs, lack of water resources (decreased water flow) and easy access to the habitat. The most important strategies for the conservation and management of Iranian Salamanders is 1) to identify threats and provide solutions to reduce the effects of each threat on the species and habitat, 2) identify new habitats, monitor the population and assess the status of the habitat, 3) scientific studies on various biological and ecological aspects, and create a database and 4) raising the level of awareness, knowledge and attracting the participation of stakeholders in the conservation of the species and habitat. The results of this study will be used in the management of Iranian Salamander habitat and population, reducing the effects of threats, revising management plans and developing cooperative conservation.
Morteza Naderi; Zahra Eftekhar; Mohammad Kaboli; Hamidreza Rezaei
Volume 6, Issue 3 , March 2018, , Pages 95-104
Abstract
Quaternary climatic fluctuations had remained phylogeographical footprints on some organisms. Relocation of northern populations of many species to the southern parts during ice ages, followed by subsequent northward expansions from refugia during interglacial periods had been resulted in intraspecific ...
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Quaternary climatic fluctuations had remained phylogeographical footprints on some organisms. Relocation of northern populations of many species to the southern parts during ice ages, followed by subsequent northward expansions from refugia during interglacial periods had been resulted in intraspecific morphological and molecular divergence. This model has been used Fat Dormouse was used as a model species for investigation about such events that happened in the Hyrcanian Refugium. By photographing of lower mandibles we would able to compare morphological differences between populations distributed along the Hyrcanian forests. We compared our results with previous molecular findings. However the role of remnant Hyrcanian forests as a refugium has been confirmed by some investigations but longterm survival and isolation of some species in this refugium from eastern and northern parts of Palearctic region trigged inter population’s evolutionary divergence. By investigation about these evolutionary diverged traits, some micro refugiums can be defined along the Hyrcanian refugia. In this study, we found some preliminary documents about the presence of eastern micro refugia based on morphological divergence of Glis glis as a model species.
