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Paisang (Quercus griffithii): A Keystone Tree Species in Sustainable Agroecosystem Management and Livelihoods in Arunachal Pradesh, India

Journal Articles & Books
Dezembro, 2015
Índia

In a study of the traditional livelihoods of 12 Monpa and Brokpa villages in Arunachal Pradesh, India using social–ecological and participatory rural appraisal techniques, we found that the forest tree species paisang (Quercus griffithii, a species of oak) is vital to agroecosystem sustainability. Paisang trees are conserved both by individuals and through community governance, because their leaves play a crucial role in sustaining 11 traditional cropping systems of the Monpa peoples.

Grazing as a post-mining land use: A conceptual model of the risk factors

Journal Articles & Books
Dezembro, 2012
Austrália

Driven principally by government regulation and societal expectations, mining companies around the world are seeking to mitigate the environmental impacts of mining through mined land rehabilitation programs. The ultimate goal of rehabilitation is to establish an acceptable and sustainable post-mining land use. Mining companies worldwide face the challenge of specifying just what a sustainable post-mining land use will be.

Effects of management regimes and extreme climatic events on plant population viability in Eryngium alpinum

Journal Articles & Books
Dezembro, 2012

Extreme climatic events like the 2003 summer heatwave and inappropriate land management can threaten the existence of rare plants. We studied the response of Eryngium alpinum, a vulnerable species, to this extreme climatic event and different agricultural practices. A demographic study was conducted in seven field sites between 2001 and 2010. Stage-specific vital rates were used to parameterize matrix population models and perform stochastic projections to calculate population growth rates and estimate extinction probabilities.

Grazing-Induced Modifications to Peak Standing Crop in Northern Mixed-grass Prairie

Journal Articles & Books
Dezembro, 2007

Selective grazing can modify the productive capacity of rangelands by reducing competitiveness of productive, palatable species and increasing the composition of more grazing-resistant species. A grazing system (season-long and short-duration rotational grazing) x stocking rate (light: 16 steers·80 ha-1, moderate: 4 steers·12 ha-1, and heavy: 4 steers·9 ha-1) study was initiated in 1982 on northern mixed-grass prairie. Here, we report on the final 16 years of this study (1991-2006). Spring (April+May+June) precipitation explained at least 54% of the variation in peak standing crop.

Shieling Areas: Historical Grazing Pressures and Landscape Responses in Northern Iceland

Journal Articles & Books
Dezembro, 2012
Islândia

Historical domestic livestock grazing in sensitive landscapes has commonly been regarded as a major cause of land degradation in Iceland. Shieling areas, where milking livestock were taken to pasture for the summer, represented one element of grazing management and in this paper we consider the extent to which historical shieling-based grazing pressure contributed to land degradation.

Institutionalization of common land property in Portugal: Tragic trends between “Commons” and “Anticommons”

Journal Articles & Books
Dezembro, 2013
Portugal

The use and exploitation of natural resources is generally structured by institutions, especially by property institutions. The main objective of this paper is to present a diachronic analysis of the institutionalization of common land property in Portugal. The several types of ownership may be largely explained by common land history. We intend to draw an outline of the emergence, evolution and transition of common land from the late nineteenth century to the present day, using the matrix proposed by Heller.

Estimating influence of stocking regimes on livestock grazing distributions

Journal Articles & Books
Dezembro, 2011

Livestock often concentrate grazing in particular regions of landscapes while partly or wholly avoiding other regions. Dispersing livestock from the heavily grazed regions is a central challenge in grazing land management. Position data gathered from GPS-collared livestock hold potential for increasing knowledge of factors driving livestock aggregation patterns, but advances in gathering the data have outpaced advancements in analyzing and learning from it.

Understanding Variability in Adaptive Capacity on Rangelands

Journal Articles & Books
Dezembro, 2013

The art and science of developing effective policies and practices to enhance sustainability and adapt to new climate conditions on rangelands and savannas are typically founded on addressing the “average” or “typical” resource user. However, this assumption is flawed since it does not appreciate the extent of diversity among resource users; it risks that strategies will be irrelevant for many people and ignored, and that the grazing resource itself will remain unprotected. Understanding social heterogeneity is vital for effective natural resource management.

Monitoring the status of forests and rangelands in the Western United States using ecosystem performance anomalies

Journal Articles & Books
Dezembro, 2013
Estados Unidos

The effects of land management and disturbance on ecosystem performance (i.e. biomass production) are often confounded by those of weather and site potential. The current study overcomes this issue by calculating the difference between actual and expected ecosystem performance (EEP) to generate ecosystem performance anomalies (EPA). This study aims to delineate and quantify average EPA from 2000–2009 within the Greater Platte and Upper Colorado River Basins, USA.

Carbon accumulation and storage in semi-arid sagebrush steppe: Effects of long-term grazing exclusion

Journal Articles & Books
Dezembro, 2008

The potential of grazing lands to sequester carbon has been investigated in different terrestrial environments but the results are often inconclusive. Our study examined the soil organic carbon (SOC) and soil microbial biomass carbon (MBC) contents inside and outside four grazing exclosures that had been established more than four decades ago in the semi-arid sagebrush steppe of Wyoming.

locally designed payment scheme for agricultural landscape services

Journal Articles & Books
Dezembro, 2013
Finlândia

Traditional nationwide agri-environmental policy measures are not always efficient to ensure the provision of environmental services that would match peoples’ preferences. This study suggests a landscape value trade (LVT) scheme to be locally implemented so as to ensure the supply of agricultural landscape attributes demanded by local citizens. The feasibility of LVT, a ‘user-financed’ payment for environmental services (PES) scheme, is analysed in a local case from the southern part of Finland. We examine the disposition of both landowners (sellers) as well as residents (buyers).