نتایج جستجو برای: patom forest management plan

تعداد نتایج: 1023986  

2014
Lelia Murgia Maria Rosaria Filigheddu Sandro Dettori

This study analyses the extent and spatial distribution of the forest resources and their energy potential in the province of Nuoro (Sardinia, Italy). The aim is to create a data base which will help decision makers to make a plan for the sustainable use of the resources of the territory. A GIS-based model was used to assess the energy capacity and suitability of the area. This model used four ...

Journal: :Molecular ecology 2003
L S Eggert J A Eggert D S Woodruff

African forest elephants are difficult to observe in the dense vegetation, and previous studies have relied upon indirect methods to estimate population sizes. Using multilocus genotyping of noninvasively collected samples, we performed a genetic survey of the forest elephant population at Kakum National Park, Ghana. We estimated population size, sex ratio and genetic variability from our data,...

Tree marking can cause changes in forest. This study aimed to assess tree marking operation and to predict its effect on stand structure of Persian ironwood-hornbeam stands at Bahramnia forestry plan, north of Iran. Therefore 98 trees that were marked in compartment 9 of the mentioned forest in 2017 based on selection system and according to the recent laws of Forests, Range and Watershed Manag...

2005
Thomas Spies

The Northwest Forest Plan has sometimes been criticized for using a reserve-based approach. At other times, it has been criticized for not placing all of the remaining old growth into “true protection”, such in a park or wilderness area. These criticisms imply that “reserve” means one thing—a no-touch-no-management zone and that a reserve approach is either not valid for dynamic forests or is t...

Journal: :Ecological applications : a publication of the Ecological Society of America 2017
Megan K Creutzburg Robert M Scheller Melissa S Lucash Stephen D LeDuc Mark G Johnson

Balancing economic, ecological, and social values has long been a challenge in the forests of the Pacific Northwest, where conflict over timber harvest and old-growth habitat on public lands has been contentious for the past several decades. The Northwest Forest Plan, adopted two decades ago to guide management on federal lands, is currently being revised as the region searches for a balance be...

Journal: :Indonesian Journal of International Law 2021

The United States of America be the main actors in wood industry. That condition has become a burden by government because increase pressure from expert environmental field, which more support do reforestation rather than deforestation. changing role exporter to importer, caused national market get loss, like raise price product. conflict between with Canada related product concern stakeholders...

1999
Sarah Madsen Diane Evans Thomas Hamer Paul Henson Sherri Miller S. Kim Nelson Daniel Roby Martin Stapanian

Madsen, Sarah; Evans, Diane; Hamer, Thomas; Henson, Paul; Miller, Sherri; Nelson, S. Kim; Roby, Daniel; Stapanian, Martin. 1999. Marbled murrelet effectiveness monitoring plan for the Northwest Forest Plan. Gen. Tech. Rep. PNW-GTR-439. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 51 p. This report describes options for effectiveness monitorin...

2012
Difei Zhang Michael M. Huebschmann Thomas B. Lynch James M. Guldin

a r t i c l e i n f o The fire-dependent shortleaf pine–bluestem grass ecosystem that existed prior to European settlement is being restored on approximately 62,700 ha in the Ouachita National Forest. The restoration effort's economic effects are not completely understood. This study will provide the Forest Service with a framework for better communicating the biological and economic impacts of...

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