Resultados de búsqueda - Tree vegetation

Gränslandet mellan staden och den värdefulla naturen : ett gestaltningsförslag för Södra Ormesta parken por Lind, Anders

Predictive modeling of above-ground biomass in Brachiaria pastures from satellite and UAV Imagery using machine learning approaches por Álvarez Mendoza, Cesar I., Guzman, Diego, Casas, Jorge, Bastidas, Mike, Polanco, Jan, Valencia Ortiz, Milton Orlando, Montenegro, Frank, Arango, Jacobo, Ishitani, Manabu, Gómez Selvaraj, Michael

“…On the other hand, short-scale best regressions are K Neighbors with an R2 of 0.76, Extra Trees with an R² of 0.75, and Bayesian Ridge with an R² of 0.70, demonstrating a high potential to predict AGB and DM. …”
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Coffee Agroforestry and the Food and Nutrition Security of Small Farmers of South-Western Ethiopia por Jemal, O.M., Callo-Concha, D., Noordwijk, M. van

“…Within these data, the number of plant species and vegetation stories were significantly correlated with household food access security in both seasons and for all AFP identified, i.e., homegarden, multistorey-coffee-system, and multipurpose-trees-on-farmlands. …”
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The impacts of climate change on tropical and subtropical horticultural production por Mathur, P.N., Ramírez Villegas, Julián Armando, Jarvis, Andy

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Erfarenheter av utedrift med köttdjur i Sverige och Kanada por Klasson, Johanna

“…Some of these farms with forest had experienced some damages to the trees due to wintering of cattle. Damages as root trampling, bark eating, and resin flow that led to dead trees was observed. …”

Design, anläggningsmetoder och skötseltekniker för hagmarksbestånd por Svensson, Jenny

“…And from there I worked at understanding how to establish a similar vegetation type in a different location that I have proposed. …”
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Patch and landscape responses of bird abundance to fragmentation in agroecosystems of east-central Argentina = Abondance d'oiseaux dans les îlots et les paysages à la suite de la f... por Calamari, Noelia Cecilia, Vilella, Franciso J., Sica, Yanina Vanesa, Mercuri, Pablo Alberto

“…The abundance of several bird species was greater in patches with high density of trees and landscapes characterized by more forest cover and larger patches in close proximity. …”
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Markbehandling på boreal skogsmark med fokus på markberedning por Lammi, Eric

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The effects of centrifugal pruning on fruiting structure production in Royal Gala apples por Raffo Benegas, Maria Dolores, Rodriguez, Rodolfo Oscar, Mañueco, María Lucía

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Lekplatser för barn och biologisk mångfald por Aspersand, Matilda

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Dominant species' resprout biomass dynamics after cutting in the Sudanian savanna-woodlands of West Africa: long term effects of annual early fire and grazing por Dayamba, Sidzabda Djibril, Savadogo, P., Sawadogo, L., Zida, D., Tiveau, D., Oden, P.C.

“…For semi-arid tropical savanna environments, managing resprouts after tree cutting is ideally suited because of the natural ability of many indigenous species to regenerate vegetatively. …”
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An assessment of the shade and ground cover influence on the mitigation of water‑driven soil erosion in a coffee agroforestry system por Aguilar-Carrillo, Amilcar

“…We conclude that litter layer is more important than canopy cover for effective erosion control, and the main function of shade trees is as a source of litter biomass.…”
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Etablering och slitage gällande träd på skolgårdar i urban miljö por Sandberg, Sara, Tollin, Malin

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On-site and off-Site long-term economic impacts of soil fertility management practices: The case of maize-based cropping systems in Kenya por Nkonya, Ephraim M., Gicheru, Patrick, Woelcke, Johannes, Okoba, Barrack, Kilambya, Daniel W., Gachimbi, Louis N.

“…SWC structures reinforced with vegetation had lower maintenance costs, whereas those that were not reinforced with leguminous trees were not profitable over the long-term period. …”
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Founder events influence structures of Aspergillus flavus populations por Ortega‐Beltran, A., Callicott, K.A., Cotty, P.J.

“…In warm regions, agricultural fields are occupied by complex Aspergillus flavus communities composed of isolates in many vegetative compatibility groups (VCGs) with varying abilities to produce highly toxic, carcinogenic aflatoxins. …”
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Production of transgenic adult plants from clementine mandarin by enhancing cell competence for transformation and regeneration por Cervera, Magdalena, Navarro, Antonio, Navarro, Luis, Pena, Leandro

“…Genetic transformation of mature trees is difficult because adult tissues are recalcitrant to Agrobacterium tumefaciens infection and transformation and because transgenic mature events are less competent for regeneration. …”
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Modeling the spatial distribution of anthrax in southern Kenya por Otieno, Fredrick T., Gachohi, John M., Gikuma-Njuru, P., Kariuki, P., Oyas, H., Canfield, S.A., Blackburn, J.K., Njenga, M.K., Bett, Bernard K.

“…Methods Anthrax surveillance data reported in southern Kenya from 2011 to 2017 were modeled using a boosted regression trees (BRT) framework. An ensemble of 100 BRT experiments was developed using a variable set of 18 environmental covariates and 69 unique anthrax locations. …”
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Spatially explicit regionalization of airborne flux measurements using environmental response functions por Metzger, S., Junkermann, W., Mauder, M., Butterbach-Bahl, Klaus, Trancon y Widemann, B., Neidl, F., Schafer, K., Wieneke, S., Zheng, X.H., Schmid, H.P., Foken, T.

“…Boosted regression trees are then used to infer an environmental response function (ERF) between all flux observations (H, LE) and biophysical (LST, EVI) and meteorological drivers. …”
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The concept of benefit sharing in the context of the eastern Nile Basin por Fetene, M.

“…A total of 71 species were identified, of which 36.7 % were trees, 26.8 % shrubs, 18.3 % were herbs, and 4.2 % climbers. …”
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GIS-modellering av habitat för vitryggig hackspett (Dendrocopos leucotos) som hjälpmedel i naturvårdsplanering på landskapsnivå por Hoas, Linnea

“…The species is dependent on older forests rich in deciduous trees and dead wood. The main problem for the survival of this species is present shortage of habitat. …”