نتایج جستجو برای: grazing reserve and climate change

تعداد نتایج: 16913274  

2015
Hasen M. Yusuf Anna C. Treydte Jauchim Sauerborn Raffaella Balestrini

High grazing intensity and wide-spread woody encroachment may strongly alter soil carbon (C) and nitrogen (N) pools. However, the direction and quantity of these changes have rarely been quantified in East African savanna ecosystem. As shifts in soil C and N pools might further potentially influence climate change mitigation, we quantified and compared soil organic carbon (SOC) and total soil n...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ادبیات و علوم انسانی 1391

terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...

2015
Sébastien Nusslé Kathleen R. Matthews Stephanie M. Carlson Kyle A. Young

Rising temperatures due to climate change are pushing the thermal limits of many species, but how climate warming interacts with other anthropogenic disturbances such as land use remains poorly understood. To understand the interactive effects of climate warming and livestock grazing on water temperature in three high elevation meadow streams in the Golden Trout Wilderness, California, we measu...

Journal: :Biology letters 2012
Shannon R White Cameron N Carlyle Lauchlan H Fraser James F Cahill

The immediate need to understand the complex responses of grasslands to climate change, to ensure food supplies and to mitigate future climate change through carbon sequestration, necessitate a global, synthesized approach. Numerous manipulative experiments have altered temperature or precipitation, often in conjunction with other interacting factors such as grazing, to understand potential eff...

Journal: :Environmental management 2014
Robert L Beschta Debra L Donahue Dominick A DellaSala Jonathan J Rhodes James R Karr Mary H O'Brien Thomas L Fleischner Cindy Deacon Williams

Svejcar et al. (Environ Manage, 2014) offered several perspectives regarding Beschta et al. (Environ Manage 51:474-491, 2013)--a publication that addressed the interacting ecological effects of climate change and domestic, wild, and feral ungulates on public lands in the western United States (US)--by largely focusing on three livestock grazing issues: (1) legacy versus current day impacts; (2)...

2013
Ronald L. Sandler RONALD L. SANDLER

This article addresses the implications of rapid and uncertain ecological change, and global climate change in particular, for reserve oriented and restoration oriented ecosystem management. I argue for the following conclusions: (1) rapid and uncertain ecological change undermines traditional justifications for reserve oriented and restoration oriented ecosystem management strategies; (2) it r...

Journal: :علوم و فنون زنبور عسل 0

abstract this chapter describes how the climate change is potentially the mostsevere threat to pollinator biodiversity. mounting evidence demonstrates that therehave already been biotic responses to the relatively small climate changes that haveoccurred this century. pollinators such as birds, bees, butterflies, moths, flies, wasps,beetles bats and even mosquitoes are essential for food product...

2017
Marie J. Ducrotoy Crawford W. Revie Alexandra P. M. Shaw Usman B. Musa Wilson J. Bertu Amahyel M. Gusi Reuben A. Ocholi Ayodele O. Majekodunmi Susan C. Welburn

BACKGROUND A mixed methods study was undertaken in the Kachia Grazing Reserve of northern Nigeria. Surveys in March, June and October 2011 included focus group discussions, key informant and in-depth household interviews, concerning livelihood practices, animal health, ownership, and productivity. In May 2011, 249 Fulani families fleeing post-election violence entered the reserve with their liv...

ژورنال: مرتع 2022
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Background and objectives: Climate change has been a serious issue in the last two decades and many studies have focused on its various aspects. Therefore, it is necessary to determine the future habitat of rangeland species present and future years, under climate warning models. In this regard, it should be investigated whether the increase in temperature will have a positive effect on the pre...

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