Resultados de búsqueda - "Natural history

Linking plant strategies and ecosystem function: an assessment of the contribution of biodiversity to neotropical grassland productivity por Ospina Hernández, Sonia Daryuby

“…To understand the diversity of strategies of resource use at the species and community level of co-existing species in semi-natural grasslands, I used three differentapproaches: a) the comparison of above-ground net primary productivity (ANPP) in semi-natural grasslands and sown pastures common to silvopastoral systems in Central Nicaragua and their relationships with rainfall seasonality; b) quantitative ordination of a set of primary foliar traits and another set of traits with less well-documented evidence about their correspondence with the trade-off between resource acquisition and conservation, across various life histories and life forms; c) the determination of community weighted means of plant traits following seasonal shifts in species relative cover, over a year. …”
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Linking plant strategies and ecosystem function: an assessment of the contribution of biodiversity to neotropical grassland productivity por Ospina Hernández, Sonia Daryuby

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Historisk hävdtidpunkt i landskapets gräsmarker por Åkesson, Marta

Haiti: The impact of COVID-19 and preliminary implications: Interim report por Díaz-Bonilla, Eugenio, Piñeiro, Valeria, De Salvo, Carmine Paolo, Laborde Debucquet, David

“…The current situation is to a large extent the continuation of a very complex political and social history. The more recent period opened after the ousting of the dictator JeanClaude Duvalier (known as Baby Doc) in 1986 and a sequence of military governments, when in 1990 Haiti had the first free election in modern history. …”
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From Latin America to Oceania: The Historic Dispersal of Sweetpotato Re-examined Using AFLP por Rossel, G., Kriegner, A., Zhang, D.P.

“…Lam.) has a long cultivation history in Oceania. While the post-Columbus dispersal of sweetpotato to Asia and Oceania is well documented, the hypothesis that there was prehistoric transfer by Peruvian or Polynesian voyagers from Peru to Oceania has long been a controversial issue. …”
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Impacts of trypanosomosis on land-use and the environment in Africa: State of our knowledge and future directions por Reid, Robin S.

“…For more than half a century, natural history observations have led scientists and resource managers to speculate about the answers to these questions, but only recently have quantitative studies been conducted that rigorously assess impacts. …”
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Los viveros comunales en El Salvador: un caso de éxito en la difusión de la tecnología forestal por Heckadon M, S.

“…Long years of silvicultural research by CATIE helped to identify species and techniches well adapted to the natural conditions and forestry needs of small and medium sized peasant land holders, who form the bulk of the region's rural population. …”
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Nya landskapselement i Infra City por Engström, Camilla

“…In the first part, I go through the history of trade shortly. Then I discuss the concept of nature, which ends up in a linkage between natural science and aesthetics in landscape architecture. …”
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Livelihoods and recovery after Cyclone Idai: Short- and long-run household evidence from Mozambique por Allen IV, James, Yu, Hang

“…This study examines how exposure to a major natural disaster—Cyclone Idai, one of the deadliest and costliest disasters in Mozambique’s history—affected household well-being and economic behavior in central Mozambique following its landfall in March 2019. …”
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Skogsdikningens historia på Kosta revir por Boley, Klara

“…Drainage of wetlands in Sweden has been ongoing during a long time in history, with the primary aim to increase the production in forest and agriculture land. …”

Catálogo de los áfidos (Hemiptera, Aphididae) de Chile, con plantas hospedadoras y distribuciones regional y provincial por Nieto Nafría, Juan Manuel, Fuentes-Contreras, Eduardo, Castro Colmenero, Marta, Piera, Marta Aldea, Ortego, Jaime, Mier Durante, Milagros Pilar

“…Se añaden citas de numerosas especies a partir de especímenes de las colecciones del Muséum national d’Histoire naturelle (París, Francia), del Servicio Agrícola y Ganadero (SAG) (Santiago de Chile, Chile), del Natural History Museum (Londres, Reino Unido), de las universidades de León (España) y Talca (Chile) y de J. …”
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Ingen påvisad förekomst av cetacean morbillivirus hos svenska tumlare por Axelsson, Elin

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Environmental and socio-economic impacts of community forestry and individual small-scale logging in Cameroon por Tsanga, R., Cerutti, P.O., Tabi Eckebil, P.P., Essiane-Mendoula, E.

“…Community forests (CF) and individual small-scale logging (SML) have been promoted in the Cameroonian forest legal framework with several objectives: involving people in forest management, transferring some management rights, and improving local living conditions supported by natural resources. This chapter briefly presents the history of both CF and SML and their stated objectives. …”
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Report on Sustainable Soil Management Practices in Dry Areas: Morocco case study por Moussadek, Rachid, Iaaich, Hamza

“…Sustainable soil management combines technologies, policies, and activities aiming at improving productivity, reducing the level of production risk (security), protecting the potential of natural resources and preventing soil degradation and water quality (protection), economic viability, and socially acceptable. …”
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Recent origin of most of the forest cover in the Gabon coastal area por Delegue, M.A., Fuhr, M., Schwartz, A.M., Nasi, Robert

“…Variations in the natural 13C abundance of soil organic matter (SOM) at different depths combined with SOM radiocarbon dating were used to reconstruct the history of the forest-savanna successions over the last millennium in the Gabon coastal area. …”
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Flustret : en nattklubb utomhus por Arnoldsson, Emelie

“…The proposals of changes that this Master thesis has resulted in is a natural development according to the history of Flustret. …”

Epiphytic lichen flora in a boreal forest chronosequence por Sandling, Aron

Composition, structure, and changes in a montane rain forest at the Cibodas biosphere reserve, West Java, Indonesia por Abdulhadi, R, Srijanto, A., Kartawinata, K.

“…The Cibodas Biosphere Reserve, known also as the Gunung Gede-Pangrango National Park, is an important area with regard to the history of nature conservation and botanical research in Indonesia because it was the first nature reserve established in the country. …”
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Climate change and forest genetic resources - state of knowledge, risks, and opportunities por Loo J, Fady, B., Dawson, I., Vinceti, B., Baldinelli, G.

“…Adapting to climate change poses a greater problem for naturally regenerating populations where the potential for natural migration is hindered by forest fragmentation and agricultural expansion, and when confounding factors for adaption include pests and diseases, reduced population sizes, and simplified forest structures and species compositions. …”
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Functional diversity of soil nematodes in relation to the impact of agriculture - a review por Lazarova, S., Coyne, D., Rodríguez, G., Peteira, B., Ciancio, A.

“…Further experimental studies are required to define locally adapted and sustainable management practices, through ecosystem-based approaches and nature-based solutions.…”
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