نتایج جستجو برای: management and conservation

تعداد نتایج: 16992867  

2007
LEONARD F. RUGGIERO

This Special Section includes 8 peer-reviewed papers on the wolverine (Gulo gulo) in southern North America. These papers provide new information on current and historical distribution, habitat relations at multiple spatial scales, and interactions with humans. In aggregate, these papers substantially increase our knowledge of wolverine ecology and population dynamics in North America, in many ...

Wildlife management and conservation is challenged by public perceptions and fear of carnivores in communities living in close proximity to wild habitats, where large carnivores occur. Fear of carnivores influences peoplechr('39')s attitudes towards wild animals, further exacerbating the problems associated with effective conservation and management of wildlife. Here, we aimed to investigate th...

Journal: :the international journal of humanities 2003
shams ol sadat zahedi

sustainable ecotourism is a nature oriented tourism that maintains a sound relationship with the natu-ral environment, and contributes to its conservation. ecological understanding is a prerequisite of sus-tainable ecotourism. nature conservation and ecotourism are interdependent. there should be a sym-biotic relationship between the two, in which, both derive sustainable benefits in a lengthy ...

ذوالفقاری, رقیه, زمانی, سید معین‌الدین, فیاض, پیام, جعفری, عزیزالله , میرزایی, محمدرضا ,

Regarding high economic and conservative values of Zagros forests, and livelihood dependency of local people these recourses, determination of sites with higher conservation index can help us to maintain biodiversity of these forests more efficiently. Therefore, 49 plots with 450 m2 in area accompanied by 1, 10 and 45 m2 subplots were taken as systematic random design in research forests of Yas...

جلیلوند, حمید, حسینی نصر, سیدمحمد, میریعقوب زاده, میرحسن , کرمی, امید,

  Determination of land capability for optimal use of land to prevent land degradation and improper use of lands is an effective step towards sustainable development strategy. Regarding the importance of subject, in this study in first ecological potential for usual land uses in Iran (forestry, ecotourism, agriculture, range management, residential areas development and conservation) in Babolro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

Akbarpouran, Vahideh, Haqhani, Hamid, Kheirkhah, Masoomeh,

Background: One of the important challenges to health service policy makers is conservation of human resources. Shortage of human resources in health and care sector damages quality of services. Another problem of organizations is low organizational commitment, which may result in poor performance and high costs reflecting improper use of human resources. Committed employees set the scene for g...

Journal: :international journal of aquatic biology 0
hamid reza esmaeili department of biology, college of sciences, shiraz university, shiraz, iran. mohadeseh sadat tahami shiraz university mohsen safaie hormuzgan university

the present study provides the data on the population parameters of an endemic qanat spirlin, alburnoides qanati from the endorheic kor river basin of iran to assess the stock status of this cyprinid fish species, which is highly important from management and conservation points of views. fish specimens (387) were collected from moshkan stream, kor river basin, iran in 2011-2012. asymptotic len...

P. Salehi Shanjani

Resource sustainability requires a thorough understanding of the influence of forest management programs on the conservation of genetic diversity in tree populations. To observe how differences in forest management affect the genetic structure of Fagus orientalis Lipsky (oriental beech), we evaluated thirteen beech sites across Hyrcanian forests, based on six microsatellite loci. Significant di...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید