Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- B. Biodiversity Informatics and Species Distribution Modeling (2)
- Elevation (2)
- Growth rates (2)
- Marmota flaviventris (2)
- Niche modeling (2)
-
- Nuthatch (2)
- Nuthatches (2)
- Rainfall (2)
- Survivorship (2)
- niche (ecology) (1)
- 1. Tigers (1)
- 3. Conservation (1)
- A. Climate Change and Sea-level Change (1)
- Alpha diversity (1)
- Amphibian (1)
- Biodiversity (1)
- Bioindicator (1)
- Butterflies (1)
- Caucasus (1)
- China (1)
- Chiroptera (1)
- Climate change (1)
- Commuting (1)
- Confrence Proceedings (1)
- Corn plantation (1)
- Distribution (1)
- Diversity (1)
- Fruit bats (1)
- General aquaculture (1)
- Georgian aquaculture (1)
Articles 1 - 11 of 11
Full-Text Articles in Life Sciences
Varriation Of Growth Rates In Yellow-Bellied Marmots, Carmen M. Salsbury, K. B. Armitage
Varriation Of Growth Rates In Yellow-Bellied Marmots, Carmen M. Salsbury, K. B. Armitage
Carmen M. Salsbury
Growth rates of yellow-bellied marmot (Marmota flaviventris) populations over a 32-year period (1965 -1996) varied Significantly with sex, age, location, and year. Overall, males had higher growth rates than females and young and yearlings generally had higher growth rates compared to adults at all locations. The locations varied with respect to elevation and the relationship between elevation and growth rate was complex and likely weather dependent. Low rainfall in late summer was often associated with low growth rates at high elevations where the active season is constrained and delayed by late spring snowmelt compared to low elevations. Growth rates and …
Varriation Of Growth Rates In Yellow-Bellied Marmots, Carmen M. Salsbury, K. B. Armitage
Varriation Of Growth Rates In Yellow-Bellied Marmots, Carmen M. Salsbury, K. B. Armitage
Carmen M. Salsbury
Growth rates of yellow-bellied marmot (Marmota flaviventris) populations over a 32-year period (1965 -1996) varied Significantly with sex, age, location, and year. Overall, males had higher growth rates than females and young and yearlings generally had higher growth rates compared to adults at all locations. The locations varied with respect to elevation and the relationship between elevation and growth rate was complex and likely weather dependent. Low rainfall in late summer was often associated with low growth rates at high elevations where the active season is constrained and delayed by late spring snowmelt compared to low elevations. Growth rates and …
Indicator Groups And Faunal Richness, Jerome K. Vanclay
Indicator Groups And Faunal Richness, Jerome K. Vanclay
Professor Jerome K Vanclay
Species richness is a popular indicator of ecosystem vitality, but is difficult to assess. Many natural resource managers seek an efficient bioindicator, but the link between candidate indicators and the richness of other taxononic groups remains elusive. A series of faunal surveys in the Mbalmayo Forest Reserve in Cameroon suggest that it may be possible to devise faunal bioindicators. The species richness of birds, of butterflies and of termites is significantly correlated with total faunal richness across eight species groups, suggesting that these groups may have potential as bioindicators, alone or in combination. Although expensive, further research is warranted because …
Projected Climate Change Effects On Nuthatch Distribution And Diversity Across Asia, Shaily Menon, M. Zafar-Ul Islam, A. Townsend Peterson
Projected Climate Change Effects On Nuthatch Distribution And Diversity Across Asia, Shaily Menon, M. Zafar-Ul Islam, A. Townsend Peterson
Shaily Menon
We used ecological niche modeling approaches to explore climate change implications for one family of birds, the Sittidae, in Asia. Quantitative niche models based on present-day distributions for each of 13 species were projected onto future climate change scenarios. Species’ potential distributional areas tended to be predicted to retract along their fringes, and at lower elevations along mountain ranges. As observed in other studies, montane systems were relatively more robust to the horizontal effects of climate change on species’ distributions compared to flatland systems, so range contractions were focused in Southeast Asia and peninsular India.
Preliminary Analysis Of The Ecology And Geography Of The Asian Nuthatches (Aves: Sittidae), Shaily Menon, Zafar-Ul Islam, Jorge Soberon, A. Townsend Peterson
Preliminary Analysis Of The Ecology And Geography Of The Asian Nuthatches (Aves: Sittidae), Shaily Menon, Zafar-Ul Islam, Jorge Soberon, A. Townsend Peterson
Shaily Menon
We explored distributions of Asian nuthatch species in ecological and geographic space using ecological niche modeling based on occurrence data associated with specimens and observations. Nuthatches represent a well-defined clade occurring throughout the Northern Hemisphere, but are most diverse in southern Asia where 15 of the 24 species occur and where the lineage is believed to have evolved. Species richness was focused in a narrow east-west band corresponding to the forested parts of the Himalayas with a maximum number of nine species predicted present in these foci. The distributional predictions have a mid-elevation focus with highest species diversity between 1,000 …
Road-Killed Bats, Highway Design, And The Commuting Ecology Of Bats, Amy L. Russell, Calvin M. Butchkoski, Leslie Saidak, Gary F. Mccracken
Road-Killed Bats, Highway Design, And The Commuting Ecology Of Bats, Amy L. Russell, Calvin M. Butchkoski, Leslie Saidak, Gary F. Mccracken
Amy L. Russell
Aquaculture In The Republic Of Georgia., Michael Rice
Aquaculture In The Republic Of Georgia., Michael Rice
Michael A Rice
Aquaculture in the Republic of Georgia is dominated by the culture of brown trout, Salmo trutta grown in fish farms located on the southern slopes of the Greater Caucusus mountain range and in the Lesser Caucasus range in the southwestern region of the country. To a lesser extent, other species are farmed in the lowland valleys, including several species of carps and barbs, and a local silurid catfish. Experimental culture of mussels, Mytilus galloprovincialis is in progress on the Black Sea coast near the city of Batumi.
Inheritance Of Shoulder Spotting In The Tetra, Hyphessobrycon Bentosi Characidae, Jack Frankel
Inheritance Of Shoulder Spotting In The Tetra, Hyphessobrycon Bentosi Characidae, Jack Frankel
Jack Frankel
Multiple Colonisations Of The Western Indian Ocean By Pteropus Fruit Bats (Megachiroptera: Pteropodidae): The Furthest Islands Were Colonised First, John O'Brien, Carol Mariani, Link Olson, Amy L. Russell, Ludovic Say, Anne D. Yoder, Tom J. Hayden
Multiple Colonisations Of The Western Indian Ocean By Pteropus Fruit Bats (Megachiroptera: Pteropodidae): The Furthest Islands Were Colonised First, John O'Brien, Carol Mariani, Link Olson, Amy L. Russell, Ludovic Say, Anne D. Yoder, Tom J. Hayden
Amy L. Russell
Reintroduction Of The Chinese Tiger, Philip J. Nyhus, Urs Breitenmoser, Ron Tilson
Reintroduction Of The Chinese Tiger, Philip J. Nyhus, Urs Breitenmoser, Ron Tilson
Philip J. Nyhus
No abstract provided.
Anuran Captured In Pitfall Traps In Three Agrossystem In Northwestern São Paulo State, Brazil, Rodrigo Souza Santos Rss
Anuran Captured In Pitfall Traps In Three Agrossystem In Northwestern São Paulo State, Brazil, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
Although it is generally assumed that agriculture negatively influences amphibian populations, few studies on the effects of agricultural cultivations on neotropical anuran have been conducted. As a contribution to the knowledge about anuran in agriculture, the present study sought to identify the anuran species present in three different agrossystems. We used data from anurans captured in pitfall traps initially proposed for a survey of harvestmen fauna in three agrossystems (corn, soybean, and rubber tree). Four anuran species found in the pitfall traps belong to two Families: Leptodactylidae: Leptodactulus fuscus and L. mystacinus; and Leiuperidae: Eupemphix nattereri and Physalaemus cuvieri. In …