Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 40 for “"rain forest"”.
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Biogeochemical Consequences of Hydrologic Conditions in a Tropical Montane Rain Forest in Ecuador
Tropical montane forests regulate the hydrological cycles of high-elevation areas being an important service for the local population. The objectives of my work were (1) to determine the major hydrological flow paths, (2) to quantify concentrations of dissolved organic C and organic and inorganic …
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Development of image analysis techniques to enable low-cost tropical rain forest monitoring
Tropical rain forests are important carbon stores and harbours of biodiversity but are being cleared at an unprecedented rate. There is an estimated 2 billion hectares of degraded forest globally, which retains a large proportion of its biodiversity. Restoration of these lands is needed to meet …
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Turbulent Exchange of Ozone and Nitrogen Oxides between an Amazonian Rain Forest and the Atmosphere
Amazonia, the world’s largest tropical rain forest area is facing rapid development, mainly caused by slash and burn activities. The change in land use, primarily to agricultural and pasture areas, has sustainable influence on the atmospheric input and the deposition of constituents like ozone and …
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Development of efficient experimental strategies for the cryopreservation of problematic tropical rain forest tree germplasm
The rapid loss of the world’s tropical rainforest has serious consequences for mankind and global biodiversity. The conservation and sustainable management of tropical rainforests is helped greatly by the longterm storage and predictable availability of germplasm. Cryopreservation is one of the …
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Soil and vegetation recovery on abandoned paved roads in a humid tropical rain forest, Puerto Rico
… matter, and total Kjeldahl nitrogen reached forest levels within 11 yr of road abandonment despite residual pavement. Road soil pH showed a clear successional trend, and approached the more acidic forest soils within 60 yr. Pool sizes were similar to the forest by ≥30 yr; Road revegetation …
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Challenges to Implementing Community Based Ecotourism (CBET) as a Bottom up Development Approach in the Sinharaja Rain Forest (Sri Lanka)
… a central government approach to a community forest informed master plan, in line with Western CBET development models. This case study therefore provides the opportunity to explore the success of this CBET project. A qualitative approach has principally guided this research together with …
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Late Quaternary environmental and climatic history of the southern Chilean Lake Region interpreted from coleopteran (beetle) assemblages
… southern Chile. The sample locations ranged from rain forest habitats at sea-level to Andean tundra habitats at 1500 m msl. Cluster analysis of a Dice similarity coefficient matrix revealed a broad pattern of bioassociations within the large data base, Boundaries between the bioassociations …
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Leaf litter ant communities in tropical lowland rain forests in Sabah, Malaysia
Large parts of the tropical lowland rain forests of Sabah (Malaysia) were transformed into secondary forests due to heavy logging. Additionally the remaining forest remnants are isolated from each other by large scale oil palm plantations. Biodiversity patterns and responses of the community of …
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Rainfall redistribution and change of water quality in tropical forest canopies : patterns and persistence
… and research objectives: During the passage of rain water through a forest canopy two main processes take place. First, water is redistributed; and second, its chemical properties change substantially. The rain water redistribution and the brief contact with plant surfaces results in a large …
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Anatomia foliar comparada entre indivíduos de sol e de sombra de Saranthe eichleri Petersen (Marantaceae) em dois ambientes distintos na Mata Atlântica
… at the different degrees of luminosity in the Forest Preserve of the Tijuca and the Rio das Pedras Ecological Reserve. Both habitats are inserted in parts of the secondary forest, pertains to the mountaineer context of the Atlantic Rain Forest, State of Rio de Janeiro and differs in the forest …
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Estudo comparativo da Hymenopterofauna detritívora de duas unidades fisiográficas da Restinga da Marambaia (Baía de Sepetiba, Rio de Janeiro, RJ)
… maintains a representative portion of Coastal rain forest, the Marambaia island proved to be an excellent place for this study. ln both regions the forest region (PG) and the salt marsh (PA) were installed two type NTP-80 traps, containing baits made of fish and chicken grounded meat, …
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Selected solo piano works by contemporary Malaysian composers: An analysis
… Chong Lim Ng's A Distant Voice of the Rain Forest (Fragments from "Rimba"...), Adeline Wong's Paces for solo piano and electronics, and Kah Hoe Yii's My Spirit is Dancing!.;These works show that Malaysian composers can be traditional and experimental, national and international at the …
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THE IMPACT OF FOREST SUCCESSIONAL STATUS ON COMMUNITY STRUCTURE OF NEOTROPICAL CERAMBYCID BEETLES
<p>Due to anthropogenic activities, tropical rain forests face many challenges in sustaining biodiversity and maintaining global climates. This project examines how forest successional status affects community composition of saproxylic cerambycids, which, as early colonists of moribund trees, have …
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