172   Artículos

« Anterior     Página: 1 de 9     Siguiente »

 
en línea
Eliza Gawel, Mieczyslaw Grzelak, Boguslawa Waliszewska and Magdalena Janyszek-Soltysiak    
The intensive use or discontinuation of the use of swards can compromise biodiversity, yields, and feed quality; thus, leading to the degradation of permanent grasslands. Various methods of renovation are employed to restore the usability of degraded swa... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Robert William Pendergrass    
Racial diversity was found to be related to racial residential segregation and strongly related to racial isolation within the nation?s metropolitan and micropolitan areas at the block group level. However, the relationships were both complex and depende... ver más
Revista: Urban Science    Formato: Electrónico

 
en línea
wahyudi arianto     Pág. 241 - 257
Abstract. The knowledge on structure and composition of Titan Arum habitats in lowland tropical rain forests of Bengkulu limit the option to formulate the appropriate strategy for conservation. The research was carried out with objective to determine the... ver más
Revista: Journal of Natural Resources and Environmental Management    Formato: Electrónico

 
en línea
Anna Grace Nostbakken Meissner, Meghan Kathleen Carr, Iain David Phillips, Karl-Erich Lindenschmidt     Pág. 1 - 18
Many rivers are intensely managed due to anthropogenic influences such as dams, channelization, and water provision for municipalities, agriculture, and industry. With this growing pressure on fluvial systems comes a greater need to evaluate the state of... ver más
Revista: Water    Formato: Electrónico

 
en línea
Anna Grace Nostbakken Meissner, Meghan Kathleen Carr, Iain David Phillips and Karl-Erich Lindenschmidt    
Many rivers are intensely managed due to anthropogenic influences such as dams, channelization, and water provision for municipalities, agriculture, and industry. With this growing pressure on fluvial systems comes a greater need to evaluate the state of... ver más
Revista: Water    Formato: Electrónico

 
en línea
Ovidiu Copo?,Catalin Tanase     Pág. e021
Aim of the study: The main objective of this study was to find the factors which best explains the wood-inhabiting fungal species? richness in beech and oak-dominated forests.Area of study: We focused on broadleaved and mixed forests found in Northeaster... ver más
Revista: Forest Systems    Formato: Electrónico

 
en línea
Bithy Khatun, Md. Abu Sayed Jewel, Md. Ayenuddin Haque, Sumaiya Akter, Mohammad Belal Hossain, Mohammed Fahad Albeshr and Takaomi Arai    
Macro-benthos is commonly considered an indicator for evaluating the health of an aquatic ecosystem. Earlier research from sub-tropical mangrove estuaries, however, has primarily relied on conventional taxonomic methods to determine the pattern of macro-... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Santosh K. Ojha,Luben D. Dimov     Pág. e016
Aim of study: We analyzed the hypothesized causal effects of relative density, density, height, species richness, species diversity, temperature, precipitation, and slope on above ground biomass growth (AGBG).Area of study: Eastern region of the USA.Mate... ver más
Revista: Forest Systems    Formato: Electrónico

 
en línea
Omar Melo-Cruz, Fernando Fernandez Mendez, Boris Villanueva Tamayo, Nathaly Rodriguez Santos     Pág. 19 - 30
ResumenDescargasReferenciasCómo citar
Revista: Colombia Forestal    Formato: Electrónico

 
en línea
Manuel A. Chacón-Fuentes, Marcelo G. Lizama, Leonardo J. Parra, Ivette E. Seguel, Andrés E. Quiroz     Pág. 57 - 67
Plant domestication is a process in which plants? chemical defenses that help them cope with herbivores might decline. Consequences of this process could be reflected in an increase in insect pests. Therefore, we carried out a survey to contrast the dive... ver más
Revista: Ciencia e Investigación Agraria    Formato: Electrónico

 
en línea
Florence Mtambanengwe, Hatirarami Nezomba, Tonny Tauro, Christopher Chagumaira, Muneta G. Manzeke and Paul Mapfumo    
A two-year study was conducted to assess how mulch influences weed dynamics following imposition of different fertilization treatments under three crop establishment options: (i) conventional; (ii) ripping; and (iii) basin, in a two-year maize-legume rot... ver más
Revista: Environments    Formato: Electrónico

 
en línea
P.A. Tiscar Oliver,M.E. Lucas-Borja,D. Candel Pérez     Pág. 525 - 535
Silvicultural treatments imply the felling of trees, which can modify species composition and structural diversity. Consequently, it is important to assess the influence of silvicultural treatments on forest composition and structure. The principal objec... ver más
Revista: Forest Systems    Formato: Electrónico

 
en línea
Morgubatul Jannat, Md. Kamruzzaman, Mohammed Kamal Hossain     Pág. 100 - 114
The study was conducted to explore natural regeneration potential of a community managed forest. Village Common Forest (VCF) has been managed as a commo n property resource under the leadership of Mouza Headmen based on traditional resource management pa... ver más
Revista: International Journal of Environment    Formato: Electrónico

 
en línea
Rajeev Joshi, Ramesh Chhetri, Karan Yadav     Pág. 68 - 82
This paper deals with the study of vegetation analysis of tree species in Ganesh and Ramnagar community forests (CF) of the Terai region.  For the study, altogether 63 concentric sample plots (each plot of 500 m2) were laid using systematic sampling... ver más
Revista: International Journal of Environment    Formato: Electrónico

 
en línea
Ervandil Corrêa Costa,Dionisio Link,Liliana D. de Medina     Pág. 65 - 76
No período de abril de 1983 a setembro de 1984, efetuou-se o levantamento da entomofauna da bracatinga, em Almirante Tamandaré, PR. Os levantamentos foram efetuados quinzenalmente em copas de talhões com 8, 42 e 60 meses de idade, através da rede de copa... ver más
Revista: Ciéncia Florestal    Formato: Electrónico

 
en línea
Jyoti Pandey, L. S. Lodhiyal     Pág. 69 - 80
Study deals with the vegetation structure and regeneration in Van Panchayat forests in Nainital of Kumaun Himalaya. The analysis of forest was done in three sites i.e. hill top, hill slope and hill base forest site. Tree density in Jungalia and Soangaon ... ver más
Revista: International Journal of Environment    Formato: Electrónico

 
en línea
José R. Lozada,Ernesto Arends,Domingo Sánchez,Alberto Villarreal,José Guevara,Pilar Soriano,Manuel Costa     Pág. e066
Aim of study: We evaluate palm and tree species diversity in a floodplain forest and the changes affecting the plots subjected to different intensities of selective logging.Area of study: The western alluvial plains of Venezuela.Materials and Methods: A ... ver más
Revista: Forest Systems    Formato: Electrónico

 
en línea
NURUL HUSNA SIREGAR, Erni Jumilawaty     Pág. 8 - 15
Pantai Baru area of Deli Serdang is located on the East Coast of Sumatera that has been as Important Bird Area (IBA). The wetland type of this area are consisted of ponds, mangroves, and mudflat that occupied by shorebirds both for feeding and resting ar... ver más
Revista: Journal of Science and Applicative Technology    Formato: Electrónico

 
en línea
Ruska Kattel, Bimala Devkota, Laxman K.C.     Pág. 130 - 139
 Changes in tree species composition with elevation have been studied at three distinct altitudinal ranges on the basis of dominance, in sub-tropical and temperate forests on south slopes of Phulchoki hill, central part of lower Himalaya, Nepal. The... ver más
Revista: International Journal of Environment    Formato: Electrónico

 
en línea
Rusita Rusita     Pág. 498 - 506
Abstract. This study aims to determine the potential of fresh water swamp forest as alternative ecotourism of Sumatran elephants (Elephas maximus sumatranus). The data collection of flora was done by the printed path method, with sampling intensity (IS) ... ver más
Revista: Journal of Natural Resources and Environmental Management    Formato: Electrónico

« Anterior     Página: 1 de 9     Siguiente »