نتایج جستجو برای: natural pastures

تعداد نتایج: 485137  

2016
Chengqun Yu Xianzhou Zhang Jing Zhang Shaowei Li Chunqiao Song Yuzhi Fang Susanne Wurst Jianshuang Wu

The northern Tibetan Plateau is the most traditional and important semi-nomadic region in Tibet. The alpine vegetation is sensitive and vulnerable to climate change and human activities, and is also important as an ecological security in protecting the headwaters of major rivers in Asia. Therefore, the Tibetan alpine grasslands have fundamental significance to both Mainland China and South Asia...

Journal: :جغرافیا و توسعه ناحیه ای 0
ولایتی ولایتی کدیور کدیور

the growth of industries during the industrialization and after the industrial revolution has caused environmental problems all around the world; specifically in industrial countries. in spite of having high technology, industrial countries have not been able to solve the problem of environmental pollution. even meetings and conferences such as those held in stockholm and johannesburg have not ...

2017
Andreas S. Chavez Eric M. Gese ANDREAS S. CHAVEZ

Wolves (Canis lupus) have expanded their distribution into areas of the midwest United States that have not had wolves for several decades. With recolonization of wolves into agricultural areas, there is increasing concern of wolf–livestock conflicts. To assess the risk wolves may pose to livestock, we initiated a 3-year study investigating the activity patterns, movements, habitat use, visitat...

Iraj Malek Mohammadi Masoomeh Shemshad,

This research was carried out to investigate the role of natural resources cooperatives in ecotourism development. This was an analysis-descriptive study conducted through survey method. Statically population of study was 123 members of the directors of these cooperatives. A structured questionnaire was designed and distributed among the cooperative directors. Census technique was applied in th...

Journal: :Journal of animal science 2007
V A Corriher G M Hill J G Andrae M A Froetschel B G Mullinix

Cow and calf performance was determined in a 2-yr, 2 x 2 factorial, grazing experiment using Coastal or Tifton 85 (T85) replicated Bermudagrass pastures (4 pastures each; each pasture 4.86 ha), without or with aeschynomene creep-grazing paddocks (n = 4, 0.202 ha each, planted in May of each year, 13.44 kg/ha). On June 10, 2004, and June 8, 2005, 96 winter-calving beef "tester" cows and their ca...

Journal: :Turkish Journal of Agriculture - Food Science and Technology 2019

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید