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Regime shift on the roof of the world: Alpine meadows converting to shrublands in the southern Himalayas

Journal Articles & Books
December, 2013
China

Worldwide, changing climates and land use practices are escalating woody-plants encroachment into grasslands, reducing biodiversity and altering ecosystem functions. The loss of alpine grasslands is a major conservation concern as they harbor many rare and endemic species. Alpine meadows in Northwest Yunnan, China, represent a global biodiversity hotspot with high species richness, beta diversity, and endemism. Shrubs have expanded greatly in the region and threaten alpine meadow biodiversity.

Conversion of Communal Grazing Lands into Exclosures Restored Soil Properties in the Semi-Arid Lowlands of Northern Ethiopia

Journal Articles & Books
December, 2013
Ethiopia

In the semi-arid tropics, communal grazing lands provide a livelihood for millions of people. However, it is highly threatened by overgrazing and continuous land degradation and, as a result, proper management is important to improve the livelihood of the people. This study investigated the effectiveness of exclosures established on communal grazing lands to restore soil properties and identified the relationship among soil properties, site and vegetation characteristics, and exclosure age.

What determines soil organic carbon stocks in the grazing lands of north-eastern Australia?

Journal Articles & Books
December, 2013
Australia

This study aimed to unravel the effects of climate, topography, soil, and grazing management on soil organic carbon (SOC) stocks in the grazing lands of north-eastern Australia. We sampled for SOC stocks at 98 sites from 18 grazing properties across Queensland, Australia. These samples covered four nominal grazing management classes (Continuous, Rotational, Cell, and Exclosure), eight broad soil types, and a strong tropical to subtropical climatic gradient.

Wetland management in New Zealand: Are current approaches and policies sustaining wetland ecosystems in agricultural landscapes?

Journal Articles & Books
December, 2013
New Zealand

As a signatory to the Convention on Biological Diversity and to the Ramsar Convention on Wetlands, New Zealand has international responsibilities to protect and restore wetland ecosystems. The New Zealand Biodiversity Strategy also reflects New Zealand's commitment to help stem the loss of biodiversity worldwide, including wetlands. Wetland loss in New Zealand has been more significant than in most parts of the world, and ecosystems in fertile lowlands have been most severely impacted by agricultural development.

Seroprevalence and risk factors associated with zoonotic parasitic infections in small ruminants in the Greek temperate environment

Journal Articles & Books
December, 2013
Greece

A cross-sectional serological study was carried out to screen the sheep and goat population of Thessaly, Greece for evidence of infection with Toxoplasma, Toxocara, Leishmania, and Echinococcus and to determine the risk factors related to herd characteristics, herd management practices, farmer status, and the bioclimatic variables associated with these zoonotic parasitic infections. A total of 540 sheep and goat serum samples were examined. The seroprevalence of infection in all examined animals was 24.5% for Toxoplasma, 32% for Toxocara, 0% for Leishmania and 85.9% for Echinococcus.

Feedbacks underlie the resilience of salt marshes and rapid reversal of consumer‐driven die‐off

Journal Articles & Books
December, 2013

Understanding ecosystem resilience to human impacts is critical for conservation and restoration. The large‐scale die‐off of New England salt marshes was triggered by overfishing and resulted from decades of runaway crab grazing. In 2009, however, cordgrass began to recover, decreasing die‐off ∼40% by 2010. We used surveys and experiments to test whether plant–substrate feedbacks underlie marsh resilience. Initially, grazer‐generated die‐off swept through the cordgrass, creating exposed, stressful peat banks that inhibited plant growth.

Individualized Pastureland Use: Responses of Herders to Institutional Arrangements in Pastoral China

Journal Articles & Books
December, 2013
China

This paper analyzes increasingly individualized herding behavior after the implementation of a grazing ban policy in northern China based on empirical research in 12 pastoralist villages. The findings reveal that de-collectivization of pastureland has not necessarily led to direct changes in individual land use strategies.

Global versus local environmental impacts of grazing and confined beef production systems

Journal Articles & Books
December, 2013
Uruguay
Central America
South America

Carbon footprint is a key indicator of the contribution of food production to climate change and its importance is increasing worldwide. Although it has been used as a sustainability index for assessing production systems, it does not take into account many other biophysical environmental dimensions more relevant at the local scale, such as soil erosion, nutrient imbalance, and pesticide contamination.

Dry matter yield and production costs in grazing systems on dairy farms of Costa Rica

Journal Articles & Books
December, 2013
Costa Rica

Biomass production costs and dry matterkilogram cost were evaluated in kikuyu grass (Kikuyuocloa clandestina), perennial ryegrass (Lolium perenne) and African stargrass (Cynodon nlemfuensis), along one year, in 8 dairy farms located in Cartago (2), San José (2) and Alajuela (4) provinces. Average dry matter yield per cycle was 3395 kg.ha-1 DM for the three grasses. Annual yield is influenced by the regrowth period of each species, with values of 40 170, 38 731 and 28 995 kg.ha-1 DM for African stargrass, kikuyu grass and perennial ryegrass, respectively.

Impacts of Climate Change on Land Use Patterns and Livelihoods of Pastoralists and Hunter Gathers

Reports & Research
November, 2013
Tanzania

Over the years, PINGOs Forum has been concerned with the future of Pastoral and HunterGatherer communities with regard to changing patterns of traditional land use and livelihoods options. The information gathered from the past studies have risen much concern on the side of PINGOs Forum that perhaps climate change may have a serious bearing in the land use patterns and livelihoods of Pastoralists and Hunter-gatherers. As a result of this concern, PINGOs Forum decided to embark on a study to observe changes that have occurred in land use patterns in recent years.


Human Impact and Land Degradation in Mongolia

Peer-reviewed publication
November, 2013
Mongolia

Climate warming and human actions both have negative impacts on the land cover of Mongolia, and are accelerating land degradation. Anthropogenic factors which intensify the land degradation process include mining, road erosion, overgrazing, agriculture soil erosion, and soil pollution, which all have direct impacts on the environment. In 2009–2010, eroded mining land in Mongolia increased by 3,984.46 ha., with an expansion in surrounding road erosion. By rough estimation, transportation eroded 1.5 million ha. of land.