نتایج جستجو برای: forestry policies

تعداد نتایج: 131189  

Journal: :Sustainability 2021

Due to the weak nature of agricultural production, governments usually adopt supportive policies protect food security. To discern growth agriculture from 2001 2018 under China’s support policies, we use nonlinear MS(M)-AR(p) model distinguish economic cycle into three regimes—rapid, medium, and low—and analyze probability shifts maintenance among different regimes. We further calculated averag...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2011
alavi s.z rabie e saeedi goraghani h.r ghordoye milan gh

background & aim: in recent years, iran and other countries pay special attention to side effects of chemical plants. this interest in plants and their derivatives leads to business of medicinal plants. in caspian region, in forestry projects there are many plant species with medicinal uses from which the locale indigenous used due to traditional experience without any especial processing i...

Journal: :Forests 2021

(1) Background: It is of great significance to evaluate the impact forestry subsidies on income forest farmers improve policy and enhance efficiency. (2) Methods: Based static panel data household tracking surveys from 2014 2018 in Sichuan, Liaoning, Zhejiang provinces China, impacts farmer paths were systematically verified via parameter estimation with Fixed-Effect model. (3) Results: Forestr...

2006
Jeffrey D. Kline Alissa Moses Gary J. Lettman David L. Azuma

Modeling forest and range land development in rural locations, with examples from eastern Oregon Jeffrey D. Kline a,∗, Alissa Moses b, Gary J. Lettman b, David L. Azuma c a USDA Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory, 3200 SW Jefferson Way, Corvallis, OR 97331, USA b Oregon Department of Forestry, Salem, 2600 State Street Salem, OR 97310, USA c USDA For...

2009
A. SUWARNO

The trade relationship between small-scale growers and processing companies often plays an important role in determining the nature and extent of benefi ts derived from commercial forestry, and the distribution of these benefi ts. Many strategies are used by individual small-scale growers, village communities, companies and government agencies to form partnerships to undertake commercial forest...

Journal: :Journal of Environmental Economics and Management 2023

Prioritizing efforts that adapt agriculture to a warmer climate requires understanding how different regions and sectors of the agricultural system respond warming. We assess regional sectoral responses in rising temperatures using rich comprehensive panel Chinese counties over more than two decades. leverage temperature variations both from year multiple-year periods separately identify short-...

2016
Alistair R. McTaggart Magriet A. van der Nest Emma T. Steenkamp Jolanda Roux Bernard Slippers Louise S. Shuey Michael J. Wingfield André Drenth

1 Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme (TPCP), Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, Gauteng, South Africa, 2 Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, Gauteng, South Africa, 3 Department of Plant Sciences, Tree Protect...

2018
Kathryn R. Selm George R. Hess M. Nils Peterson Scott M. Beck Melissa R. McHale

1 Natural Resources Program, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States, 2 Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States, 3 Fisheries, Wildlife, and Conservation Biology Program, Forestry and Environmental Resources, North Carolina State University, Raleigh, NC,...

2010
Xiao-Yi Wang Zhong-Qi Yang Juli R. Gould Hui Wu Jian-Hai Ma Lan Zhang Jing Shi Xueyan Shi Pei Liang Junping Gao Xiwu Gao

Xiao-Yi Wang, Zhong-Qi Yang , , Juli R. Gould, Hui Wu and Jian-Hai Ma The Key Laboratory of Forest Protection, State Forestry Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China Animal and Plant Health Inspection Service, Department of Agriculture, Otis ANGB, MA 02542 5008, USA Forestry Bureau of Sanming City in Fu...

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