Zobrazeno 1 - 8
of 8
pro vyhledávání: '"William Bruce Campbell"'
Publikováno v:
Revista de Biología Tropical, Vol 59, Iss 4, Pp 1559-1577 (2011)
Evaluating components of landscape diversity is essential for the implementation of efficient conservation strategies. We evaluated the diversity of Odonata larval assemblages from the Coalcomán mountains (CM), Michoacán, Mexico, and related it to
Externí odkaz:
https://doaj.org/article/525f9a80b55e495ba68d61836f2ef976
Autor:
Catarino Ávila-Reséndiz, Jesús Jarillo-Rodríguez, Juan Andrés Burgueño-Ferreira, William Bruce Campbell, Eloisa Ortega-Vargas, Silvia López-Ortiz
Publikováno v:
Agroforestry Systems. 93:461-470
Pruning is an important management practice for regulating tree structure and physiology, and the timing of pruning can enhance forage production during dry periods of the year. Experimental pruning was performed on Guazuma ulmifolia trees to explain
Autor:
Jesús Jarillo-Rodríguez, William Bruce Campbell, Silvia López-Ortiz, Epigmenio Castillo-Gallegos
Publikováno v:
Rangeland Ecology & Management. 66:348-355
Stocking rate manipulation was examined as a means of improving plant diversity (as a measure of pasture sustainability and forage value) in a native grass pasture used for dairy production in the humid tropics of Veracruz, Mexico. Given that environ
Autor:
Silvia López-Ortiz, Catarino Ávila-Reséndiz, William Bruce Campbell, Lucero Medinilla-Salinas, Mónica Vargas-Mendoza, María del Carmen Gutiérrez-Castorena
Publikováno v:
Agroforestry Systems. 87:891-899
The effect of tree canopy on the growth, productivity and forage quality of Megathyrsus maximus and changes in soil properties were evaluated over three seasonal periods. Four adjacent plots (15 m × 17 m each) in a tropical secondary deciduous fores
Publikováno v:
Insect Conservation and Diversity. 3:302-312
1. Assessing species richness (SR) and diversity along environmental gradients is important to see whether abiotic differences alter patterns of species distribution and composition. 2. We examined distributions of odonate SR, average taxonomic disti
Autor:
Miguel Ángel Alonso-Díaz, William Bruce Campbell, Juan Felipe de Jesús Torres-Acosta, Carlos A. Sandoval-Castro
Publikováno v:
Issues in Agroecology – Present Status and Future Prospectus ISBN: 9789400774537
Parasites are one of the most important threats to domesticated livestock worldwide. For several decades, their control has been based only on therapeutic interventions using chemical products at fixed intervals throughout the year. Results have demo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9248de60dfa5ca2a18990e7c21c431b4
https://doi.org/10.1007/978-94-007-7454-4_5
https://doi.org/10.1007/978-94-007-7454-4_5
Autor:
Rebecca A. Kirby, Georgios Lyratzopoulos, Steven Barnes, William Bruce Campbell, Sally Wortley, Sarah Willett
Publikováno v:
International journal of technology assessment in health care. 23(1)
Objectives:The association between type and amount of clinical evidence and type of National Institute for Health and Clinical Excellence recommendations for interventional procedures was examined.Methods:The evidence about 736 studies (including 183
Autor:
William Bruce Campbell, Steven J. Barnes, Rebecca A. Kirby, Sarah L. Willett, Sally Wortley, Georgios Lyratzopoulos
Publikováno v:
International Journal of Technology Assessment in Health Care; Jan2007, Vol. 23 Issue 1, p101-107, 7p