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Articles 1 - 7 of 7
Full-Text Articles in Biodiversity
Pasture Condition Guide For The Kimberley, Kathryn Ryan, Elizabeth Tierney, Paul Novelly, Robert Mccartney
Pasture Condition Guide For The Kimberley, Kathryn Ryan, Elizabeth Tierney, Paul Novelly, Robert Mccartney
Bulletins 4000 -
This interactive guide has been produced as a tool for assessing pasture condition over a range of pasture types in the Kimberley. A pasture type is a distinctive mix of plant species, soil type and landscape position. For example, the Mitchell Grass Alluvial Plain Pasture type is a mixture of Mitchell grasses and other species occurring on black soil alluvial plains. Pasture condition is an important factor affecting the potential of the rangelands for animal production and is a useful indicator for the sustainability of production.
Diversification And Ecosystem Services For Conservation Agriculture: Outcomes From Pastures And Integrated Crop–Livestock Systems, Matt A. Sanderson, David Archer, John Hendrickson, Scott Kronberg, Mark Liebig, Kris Nichols, Marty Schmer, Don Tanaka, Jonathan Aguilar
Diversification And Ecosystem Services For Conservation Agriculture: Outcomes From Pastures And Integrated Crop–Livestock Systems, Matt A. Sanderson, David Archer, John Hendrickson, Scott Kronberg, Mark Liebig, Kris Nichols, Marty Schmer, Don Tanaka, Jonathan Aguilar
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Conservation agricultural systems rely on three principles to enhance ecosystem services: (1) minimizing soil disturbance, (2) maximizing soil surface cover and (3) stimulating biological activity. In this paper, we explore the concept of diversity and its role in maximizing ecosystem services from managed grasslands and integrated agricultural systems (i.e., integrated crop–livestock–forage systems) at the field and farm level.We also examine trade-offs that may be involved in realizing greater ecosystem services. Previous research on livestock production systems, particularly in pastureland, has shown improvements in herbage productivity and reduced weed invasion with increased forage diversity but little response in terms of animal …
Overfishing: Economic Policies In Finite Resource Biological Pools, Abdullah Nasser
Overfishing: Economic Policies In Finite Resource Biological Pools, Abdullah Nasser
Undergraduate Economic Review
Common-property fishing is a classic example of the tragedy of the commons. Driven by competition, rational fishermen are forced to overfish to maintain marketplace viability. This shortsighted strategy will lead to the depletion of the common resource pool, and ultimately the destruction of the local fishing industry. In this paper, we present a dynamic differential system of a finite-resource fishing pool to model choices faced by average fishermen. We show that the situation mirrors a Prisonor’s Dilemma on the short- and long-terms, where overfishing is always the dominant Nash equilibrium strategy. Additionally, we use the model to analyze a multitude …
Agricultural Geo-Engineering; Past, Present & Future, Erich J. Knight Mr.
Agricultural Geo-Engineering; Past, Present & Future, Erich J. Knight Mr.
Erich J Knight Mr.
Historic hall marks of GHG emissions are reviewed, providing repeated demonstration of anthropogenic land use changes on climate forcing.
New Astrophysical and Paleoclimate concordance with extinction events demonstrating climate adaptation by prehistoric man.
A review of new research concerning Soil Carbon, Carboniferous Aerosols, extent of Pyrolytic-Carbon fraction in soil and the first survey of the extensive deep soil carbon sink.
How thermal conversion technologies can integrate and optimize the recycling of valuable nutrients while providing energy and building soil carbon.
New discoveries from the Advanced Spectrometry & Meta-Genomics studies in soil microbiology which demonstrate unaccounted for ecological services provided by …
Combating Deserttification In Asia, Africa And The Middle East, Victor Roy Squires Dr
Combating Deserttification In Asia, Africa And The Middle East, Victor Roy Squires Dr
Victor Roy Squires Dr
The fight against land degradation in terrestrial ecosystems forms one of the most complex challenges with regard to the various global environmental problems. It is most intensively linked to human life quality and to current living conditions in the poorer countries of the drier biomes on earth. The concept of the combat of desertification, as rooted in the charter of the United Nations Convention to combat Desertification and Drought (UNCCD), can also be transferred to a wider sustainability agenda for the more humid ecosystems where accelerated land degradation, loss of biodiversity and vulnerability to climate change are emerging issues of …
The Influence Of Different Cover Types On American Robin Nest Success In Organic Agroecosystems, John E. Quinn, Amy Oden, James R. Brandle
The Influence Of Different Cover Types On American Robin Nest Success In Organic Agroecosystems, John E. Quinn, Amy Oden, James R. Brandle
Biology Publications
There are many opportunities for biodiversity conservation in organic farm systems. Successful and sustainable conservation efforts in organic systems, however, need to measure appropriate outcomes. In particular, data are needed on the breeding success of associated wildlife species. We measured nesting success of the American Robin (Turdus migratorius) in woodlands embedded within eight organic farms in eastern Nebraska. We modeled daily nest survival rate to identify land use and land cover patterns that optimize conservation of birds in organic farm systems. The percentage of a crop in the fields adjacent to linear woodlands best predicted daily survival rate. …
Sharing A Vision For Biodiversity Conservation And Agriculture, John Quinn
Sharing A Vision For Biodiversity Conservation And Agriculture, John Quinn
John E Quinn
No abstract provided.