نتایج جستجو برای: ecological forestry

تعداد نتایج: 109541  

2017

Agriculture, forestry, fishing, and hunting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,460 25.3 2.7 1.1 24.5 Crop production. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,206 24.4 2.0 1.6 29.8 Animal production and aquaculture. . . . . . . . . . . . . . . . . . . . . . ...

2015

Agriculture, forestry, fishing, and hunting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,237 24.7 2.8 1.0 23.1 Crop production. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,107 25.6 3.1 1.5 30.5 Animal production and aquaculture. . . . . . . . . . . . . . . . . . . . . . ...

2012
Anthony S. Eallonardo Donald J. Leopold Jason D. Fridley John C. Stella

Eallonardo Jr, A.S. (corresponding author, [email protected]) & Leopold, D.J. ([email protected]): Department of Environmental and Forest Biology, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA Fridley, J.D. ([email protected]): Department of Biology, Syracuse University, 107 College Place, Syracuse, NY, 13244, USA Stel...

Journal: :international journal of agricultural management and development 2011
michael g. kanyi tom vandenbosch fredrick u. ngesa joash k. kibett george muthaa

the farmers of the future (fof) initiative implemented a programme of integrating natural resources management in the basic education curriculum. the purpose of the study was to document activities and determine the effects of fof programme on primary school learners’ perceptions towards natural resources management by comparing learners involved in the fof programme and those not involved. fur...

2009
Alexandra Binder

Nymphalid butterflies are a diverse tropical group that has shown promise as an ‘indicator species’ of habitat health. This classification correlates to their sensitivity to both climatic and ecological disturbance due to a relatively short life cycle and host-plant reliance (DeVries 1987). For the past two years, changes in the number of fruit-feeding Nymphalid butterfly individuals and specie...

Journal: :Science 2005
Charles J Robinove

792 GDP accounting is an indicator of the size of an economy, not necessarily of human welfare (9), and has been overlooked as an indicator of biodiversity loss. BRIAN CZECH,1 DAVID L.TRAUGER,1 JOSHUA FARLEY,2 ROBERT COSTANZA,2 HERMAN E. DALY,3 CHARLES A. S. HALL,4 REED F. NOSS,5 LISI KRALL,6 PAUL R. KRAUSMAN7 1Department of Fisheries and Wildlife Sciences,Virginia Polytechnic Institute and Sta...

2011
Dirk Pflugmacher Olga N. Krankina Warren B. Cohen Mark A. Friedl Damien Sulla-Menashe Robert E. Kennedy Peder Nelson Tatiana V. Loboda Tobias Kuemmerle Egor Dyukarev Vladimir Elsakov Viacheslav I. Kharuk

a Department of Forest Ecosystems and Society, Oregon State University, 321 Richardson Hall, Corvallis, OR 97331, USA b USDA Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory, 3200 SW Jefferson Way, Corvallis, OR 97331, USA c Department of Geography and Environment, Boston University, 675 Commonwealth Ave., 4th Floor, Boston, MA 02215, USA d Department of Geograph...

Journal: :CoRR 2016
Miao Chen

Socio-ecological System (SES) research studies the interaction between environment, users, and governance of environment resources. Data produced during the research cycle can be both longtail (e.g. heterogeneous) and longitudinal data. For example, the IFRI (International Forestry Resources and Institutions) data set contains studies carried out over a period of 20 years. Given the complexity ...

Journal: :Zbalansovane prirodokoristuvannâ 2023

An analysis of the financial and economic activities forestry for 2021–2022 was carried out impact full-scale armed aggression Russian Federation on their key indicators determined. The current state industry Ukraine assessed. main factors that exert a system-forming influence development in are considered. Attention is paid to issue export potential Ukrainian conditions. problems forestry, whi...

2009
Keith Stockmann James Burchfield Dave Calkin Tyron Venn

a USDA, Forest Service, Northern Region, 200 E. Broadway, Missoula, MT 59807, USA b College of Forestry and Conservation, University of Montana, Missoula MT, 59812, USA c USDA, Rocky Mountain Research Station, Forestry Sciences Laboratory, 800 East Beckwith Ave, Missoula, MT 59801, USA d Natural Resource Economics, College of Forestry and Conservation, University of Montana, Missoula MT, 59812,...

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