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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
Slides: Groundwater Declines, Climate Change And Approaches To Adaptation, Katharine Jacobs
Slides: Groundwater Declines, Climate Change And Approaches To Adaptation, Katharine Jacobs
Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)
Presenter: Katharine Jacobs, Director of the Arizona Water Institute, University of Arizona
37 slides
Beetle Species Diversity In The Lesser Antilles Islands: How Many Species Are Really There?, Stewart B. Peck
Beetle Species Diversity In The Lesser Antilles Islands: How Many Species Are Really There?, Stewart B. Peck
Insecta Mundi
Recent extensive and intensive field work by the team of M. A. Ivie on the Lesser Antillean island of Montserrat suggests that a mean of 827 beetle species may be expected on that island. This datum makes possible the generation of hypotheses of the probable beetle species diversity on other islands of the Lesser Antilles as a function of the areas of the islands. Figures are given for the presently known, estimated total, and estimated number of unknown species for each principal island. This predicts that many hundreds (if not thousands) of beetle species remain to be discovered. This is …
Species Delimitation In Lemurs: Multiple Genetic Loci Reveal Low Levels Of Species Diversity In The Genus Cheirogaleus, Linn F. Groeneveld, David W. Weisrock, Rodin M. Rasoloarison, Anne D. Yoder, Peter M. Kappeler
Species Delimitation In Lemurs: Multiple Genetic Loci Reveal Low Levels Of Species Diversity In The Genus Cheirogaleus, Linn F. Groeneveld, David W. Weisrock, Rodin M. Rasoloarison, Anne D. Yoder, Peter M. Kappeler
Biology Faculty Publications
BACKGROUND: Species are viewed as the fundamental unit in most subdisciplines of biology. To conservationists this unit represents the currency for global biodiversity assessments. Even though Madagascar belongs to one of the top eight biodiversity hotspots of the world, the taxonomy of its charismatic lemuriform primates is not stable. Within the last 25 years, the number of described lemur species has more than doubled, with many newly described species identified among the nocturnal and small-bodied cheirogaleids. Here, we characterize the diversity of the dwarf lemurs (genus Cheirogaleus) and assess the status of the seven described species, based on phylogenetic and …
Species Richness And Host Associations Of Lepidoptera-Attacking Tachinidae In The Northeast Ecuadorian Andes, John O. Stireman Iii, Harold F. Greeney, Lee A. Dyer
Species Richness And Host Associations Of Lepidoptera-Attacking Tachinidae In The Northeast Ecuadorian Andes, John O. Stireman Iii, Harold F. Greeney, Lee A. Dyer
Biological Sciences Faculty Publications
Most of the unknown biological diversity of macro-organisms remaining to be discovered and described lies in the tropical regions of the world and consists primarily of insects. Those insects with parasitoid lifestyles constitute a significant portion of insect diversity, yet parasitoids are among the most poorly known of major insect guilds in the humid tropics. Here we describe and analyze the richness of one diverse taxon of parasitoids, flies in the family Tachinidae, reared from Lepidoptera as part of a biological survey of Lepidoptera and their parasitoids in one mid-elevation (2000 m) area in the northeast Ecuadorian Andes. One hundred …
The Effects Of Climate Change On Biodiversity: Pressing Issues And Research Priorities, Friedhelm Krupp, Lytton J. Musselman, Mohammed M.A. Kotb, Ilka Weidig
The Effects Of Climate Change On Biodiversity: Pressing Issues And Research Priorities, Friedhelm Krupp, Lytton J. Musselman, Mohammed M.A. Kotb, Ilka Weidig
Biological Sciences Faculty Publications
No abstract provided.
Consequences Of Climate-Driven Biodiversity Changes For Ecosystem Functioning Of North European Rocky Shores, Stephen Hawkins, Heather Sugden, Nova Mieszkowska, Philippa Moore, Elvira Poloczanska, Rebecca Leaper, Roger Herbert, Martin Genner, Paula Moschella, Richard Thompson, Stuart Jenkins, Alan Southward, Michael Burrows
Consequences Of Climate-Driven Biodiversity Changes For Ecosystem Functioning Of North European Rocky Shores, Stephen Hawkins, Heather Sugden, Nova Mieszkowska, Philippa Moore, Elvira Poloczanska, Rebecca Leaper, Roger Herbert, Martin Genner, Paula Moschella, Richard Thompson, Stuart Jenkins, Alan Southward, Michael Burrows
Research outputs pre 2011
We review how intertidal biodiversity is responding to globally driven climate change, focusing on long-term data from rocky shores in the British Isles. Physical evidence of warming around the British Isles is presented and, whilst there has been considerable fluctuation, sea surface temperatures are at the highest levels recorded, surpassing previous warm periods (i.e. late 1950s). Examples are given of species that have been advancing or retreating polewards over the last 50 to 100 yr. On rocky shores, the extent of poleward movement is idiosyncratic and dependent upon life history characteristics, dispersal capabilities and habitat requirements. More southern, warm water …
Local Engagements With Urban Bushland: Moving Beyond Bounded Practice For Urban Biodiversity Management, Nicholas J. Gill, Gordon R. Waitt, Lesley M. Head
Local Engagements With Urban Bushland: Moving Beyond Bounded Practice For Urban Biodiversity Management, Nicholas J. Gill, Gordon R. Waitt, Lesley M. Head
Faculty of Science - Papers (Archive)
Management of ecologically significant urban green space is likely to be increasingly governed by biodiversity policy frameworks. These frameworks tend to reproduce bounded thinking and strategies that separate green space from its context and characterise people as a disturbance. Like many green spaces these ecologically significant areas are highly valued by visitors and nearby residents. Green space is important for engagement with nature, social interaction, and for respite from daily life: it is strongly connected to surrounding areas and to the lives of people who live there. The dissonance between bounded management thinking and the role of green space in …
Cuscuta Jepsonii (Convolvulaceae): An Invasive Weed Or An Extinct Endemic?, Mihai Costea, Saša Stefanović
Cuscuta Jepsonii (Convolvulaceae): An Invasive Weed Or An Extinct Endemic?, Mihai Costea, Saša Stefanović
Biology Faculty Publications
Despite their ecological significance, parasitic plants face more conservation challenges than do autotrophic plants. This is especially true for the groups that include weedy or invasive species such as Cuscuta. While approximately half of the Cuscuta (dodders) species may require conservation measures, the genus as a whole is sometimes posted on governmental lists of noxious or quarantine weeds. Our study challenges this stereotype and uses the case of C. jepsonii (Jepson’s dodder) to illustrate the precarious biodiversity and conservation status faced by many dodder species. Until now, Jepson’s dodder has been known only from its type collection. Consequently, its …
Farming For The Future : Industry Practice Baselines, Danielle England, Susan Murphy-White, John Noonan, Marie Shanks, Jon Warren
Farming For The Future : Industry Practice Baselines, Danielle England, Susan Murphy-White, John Noonan, Marie Shanks, Jon Warren
Resource management technical reports
No abstract provided.
Farmers And Nature Conservation: What Is Known About Attitudes, Context Factors And Actions Affecting Conservation?, Johan Ahnström, Jenny Höckert, Hanna L. Bergea, Charles A. Francis, Peter Skelton, Lars Hallgren
Farmers And Nature Conservation: What Is Known About Attitudes, Context Factors And Actions Affecting Conservation?, Johan Ahnström, Jenny Höckert, Hanna L. Bergea, Charles A. Francis, Peter Skelton, Lars Hallgren
Department of Agronomy and Horticulture: Faculty Publications
Farmers’ attitudes towards viability of specific conservation practices or actions strongly impact their decisions on adoption and change. This review of ‘attitude’ information reveals a wide range of perceptions about what conservation means and what the impacts of adoption will mean in economic and environmental terms. Farmers operate in a tight financial situation, and in parts of the world they are highly dependent on government subsidies, and cannot afford to risk losing that support. Use of conservation practices is most effective when these are understood in the context of the individual farm, and decisions are rooted in land and resource …