Results 61 to 70 of about 401,044 (285)

Lista de anfibios y reptiles del departamento del Tolima, Colombia

open access: yesBiota Colombiana, 2010
A taxonomic list of the species of amphibians and reptiles of the Tolima department was elaborated based on an extensive literature review and information from biological collections from several parts of the world.
Julián Llano-Mejía   +2 more
doaj   +1 more source

Survey of Rock River Mussels (Mollusca: Unionidae) at the Illinois Route 2 (FAP 742) Bridge South of Grand Detour, Lee and Ogle Counties, Illinois. IDOT Job Number P-92-008-83 [PDF]

open access: yes, 1986
ID: 8592; issued December 31, 1986INHS Technical Report prepared for Illinois Department of ...
Berlocher, Jeanine M.K., Wetzel, Mark J.
core  

Foreign labor, peer‐networking and agricultural efficiency in the Italian dairy sector

open access: yesAgribusiness, EarlyView.
Abstract While the presence of immigrants in the agricultural sector is widely acknowledged, the empirical evidence on its economic consequences is lacking, especially from a microeconomic perspective. Using the Farm Accountancy Data Network panel data for Italian dairy farms in the period 2008–2018, the present study investigates the relationship ...
Federico Antonioli   +2 more
wiley   +1 more source

Endangered Species Act Innovations in the Post-Babbittonian Era—Are There Any? [PDF]

open access: yes, 2004
One of the mysteries of environmental policy in the Bush Administration will be how and why it squandered an opportunity to continue market-based administrative reforms of the Endangered Species Act begun, ironically, in the Clinton Administration under ...
Ruhl, J. B.
core   +3 more sources

Linking density, productivity and trends of an endangered species: The Bonelli's eagle in Spain [PDF]

open access: yesActa Oecologica, 2009
Whether regional population density is a good indicator of environmental quality according to demographic variables such as breeding success or short-term population trends is controversial. In this paper we analyze the interrelationships among regional population density, breeding success and recent population trends of an endangered species, Bonelli ...
Carrascal, Luis M.   +1 more
openaire   +2 more sources

Staging an Experience of Cultural Heritage Preservation: Consumers' Willingness to Pay for Heirloom Rice in the Philippines

open access: yesAgribusiness, EarlyView.
ABSTRACT The Cordillera Administrative Region in the Philippines is home to terraced rice embedded in centuries of cultural heritage. However, weak market incentives threaten sustained production, jeopardizing indigenous communities' cultural heritage and the in situ biodiversity of rice genetic resources.
Kofi Britwum, Matty Demont
wiley   +1 more source

Barrier reefs may provide a high wave energy natural refuge for large-sized endangered parrotfish species in the Caribbean

open access: yesDiscover Oceans
Marine herbivorous fishes such as parrotfish are critical for coral reef resilience through algal control. Overfishing and illegal fishing have brought a substantial decline in parrotfish populations across the Caribbean. The absence or limited abundance
J. Prato-Valderrama   +5 more
doaj   +1 more source

The Use of Genomics in Conservation Management of the Endangered Visayan Warty Pig (Sus cebifrons)

open access: yesInternational Journal of Genomics, 2016
The list of threatened and endangered species is growing rapidly, due to various anthropogenic causes. Many endangered species are present in captivity and actively managed in breeding programs in which often little is known about the founder individuals.
Rascha J. M. Nuijten   +7 more
doaj   +1 more source

Notes and Discussion Piece: Status of the Topeka Shiner in Iowa [PDF]

open access: yes, 2019
The Topeka shiner Notropis topeka is native to Iowa, Kansas, Minnesota, Missouri, Nebraska, and South Dakota and has been federally listed as endangered since 1998.
Bybel, Alexander P.   +5 more
core   +1 more source

Dimorphic enantiostyly and its function for pollination by carpenter bees in a pollen‐rewarding Caribbean bloodwort

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Flowers that present their anthers and stigma in close proximity can achieve precise animal‐mediated pollen transfer, but risk self‐pollination. One evolutionary solution is reciprocal herkogamy. Reciprocity of anther and style positions among different plants (i.e., a genetic dimorphism) is common in distylous plants, but very rare in
Steven D. Johnson   +5 more
wiley   +1 more source

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