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Ecología
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6141
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6142
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6143Publicado 2000“…Advances in ecological research ;…”
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6144
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6145Publicado 1997Tabla de Contenidos: “…Part 1: Introduction to silviculture -- Silviculture and its place in forestry -- Stand dynamics -- Part 2: Tending and intermediate cutting -- The response of individual trees to thinning and pruning -- Management of growth and stand yield by thinning -- Methods and application of thinning -- Release operations and herbicides -- Part 3: Regeneration -- Ecology of regeneration -- Preparation and treatment of the site -- Site classification and species selection -- Artificial regeneration -- Part 4: Stand development and structure -- Development of silvicultural systems and methods of regeneration -- The silviculture of pure even-aged stands -- Vegetatively regenerated stands -- Double-cohort pure stands regenerated by partial cutting -- Silviculture of pure uneven-aged stands -- Stands of mixed species -- Part 5: Silvicultural management objectives -- Timber management -- Silvicultural management of watershed ecosystems -- Silvicultural control of damaging agencies -- Silvicultural management of wildlife habitat -- Agroforestry.…”
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6146
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6147
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6148Publicado 1999“…Adaptation, diversity, and ecology…”
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6149
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6150
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6151
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6152
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6153
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6154
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6155por Gómez Valenzuela, Victorino, Pérez Castillo, Teodoro, Jiménez Ramírez, Rigoberto, Marcial Bautista, Deysi Yadira, Méndez Álvarez, Francisco Javier, Méndez Cifuentes, Darwin Josman, Pérez Blas, Jorge Alberto, Santiz López, Cesar Reymundo, Tzopitl Cuicahua, José Germán, Zavaleta Grijalva, AmilenneEnlace del recurso
Publicado 2022
Enlace del recurso
Online Artículo -
6156por Fan, Jie, Abudumanan, Ahemaitihali, Wang, Li, Zhou, Daojing, Wang, Zhao, Liu, Hanchu“…However, the watershed territories of the drylands, where the majority of human activities are concentrated have long experienced strained human-land relationships, culminating in ecological security concerns. Correspondingly, it is essential to carry out a comprehensive assessment of the ecological security of dryland watersheds and to identify the key factors influencing ecological security in order to formulate strategies that ensure the sustainability of drylands. …”
Publicado 2023
Enlace del recurso
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6157por Khan, Muhammad Asim, Afshan, Kiran, Sargison, Neil D., Betson, Martha, Firasat, Sabika, Chaudhry, Umer“…The aim of the present study was to determine the prevalence of Dicrocoelium infection and to predict the ecological niches and climatic variables that support dicrocoeliosis in the Himalayan ranges of Pakistan. …”
Publicado 2022
Enlace del recurso
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6158
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6159por Marquez, J, Goodfellow, C, Hardoon, D, Inchley, J, Leyland, A H, Qualter, P, Simpson, S A, Long, E“…The current study aimed to identify social ecological factors related to loneliness and examine the extent to which geographic region may account for differences in loneliness. …”
Publicado 2022
Enlace del recurso
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Online Artículo Texto -
6160Large local variations in the use of health services in rural southern Ethiopia: An ecological study“…Therefore, the objective of this study was to assess the health service utilisation and identify factors that account for the variation in health service utilisation at kebele (the smallest administrative unit) level in the Dale and Wonsho districts of the Sidama region. An exploratory ecological study design was employed on the secondary patient data collected from 1 July 2017 to 30 June 2018 from 65 primary health care units of the fifty-four kebeles in Dale and Wonsho districts, in the Sidama region. …”
Enlace del recurso
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Enlace del recurso
Online Artículo Texto