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07 Agricultural and Veterinary Sciences
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Browsing 07 Agricultural and Veterinary Sciences by Issue Date

Browsing 07 Agricultural and Veterinary Sciences by Issue Date

Now showing items 1-20 of 251

Soil-dependent spectral response in a developing plant canopy

Huete Alfredo (American Society of Agronomy, Inc, 1987)

Amajor problem in the use of remote sensing techniques to assess plant biomass and condition over incomplete canopies concerns the soil background contribution toward measured spectral response. An understanding of this ...
Simultaneous Cytometric Analysis For The Expression Of Cytoplasmic And Surface-antigens In Activated T-cells

Hayden Ge; Walker Kz; Miller Jay; Wotherspoon Js; Raison Robert (Wiley-liss, 1988)

A method of two-colour immunofluorescence staining has been developed to allow the simultaneous analysis of both surface and cytoplasmic antigens. This involves the use of direct fluorochrome antibody conjugates for ...
Water Relations Of Red Spruce Seedlings Treated With Acid Mist

Eamus Derek; Leith I; Fowler D (Heron Publishing, 1989)

Pressure¿volume curves, day and night transpiration rates, needle drying curves, and shoot water potentials were determined for 2-year-old red spruce trees that had been exposed for three months to a range of acid mists ...
Accuracy and bias of visual estimates of numbers, size structure and biomass of a coral reef fish

St John J; Russ G; Gladstone William (Inter Research, 1990)

NA
Assimilation And Stomatal Conductance Responses Of Red Spruce To Midwinter Frosts And The Constituent Ions Of Acid Mist

Eamus Derek (Heron Publishing, 1993)

Red spruce (Picea rubens Sarg.) seedlings growing outside in open-top chambers were sprayed twice weekly with artificial mists at either pH 2.5 or 5.6, for five months during the 1988 growing season. The mists contained ...
Gas-Exchange Characteristics Of Mangosteen (Garcinia-Mangostana L) Leaves

Wiebel J; Eamus Derek; Chacko E; Downton Wjs; Ludders P (Heron Publishing, 1993)

Gas exchange responses of mangosteen (Garcinia mangostana L.) leaves to photosynthetic photon flux density (PPFD), internal CO2 concentration (C(i)), leaf-air vapor pressure deficit (VPD), leaf temperature (T(l)) and time ...
Radiative transfer in shrub savanna sites in Niger: preliminary results from HAPEX-Sahel. 1. Modelling surface reflectance using a geometric-optical approach

Franklin Janet; Duncan Jeff; Huete Alfredo; Van Leeuwen J; Li Xiaowen; Begue Agnes (Elsevier Inc, 1994)

To use optical remote sensing to monitor land surface-climate interactions over large areas, algorithms must be developed to relate multispectral measurements to key variables controlling the exchange of matter (water, ...
Radiative transfer in shrub savanna sites in Niger: preliminary results from HAPEX-Sahel. 3. Optical dynamics and vegetation index sensitivity to biomass and plant cover

Van Leeuwen J; Huete Alfredo; Duncan J; Franklin Janet (Elsevier Inc, 1994)

A shrub savannah landscape in Niger was optically characterized utilizing blue, green, red and near-infrared wavelengths. Selected vegetation indices were evaluated for their performance and sensitivity to describe the ...
Shortwave radiation budget of Sahelian vegetation 1. Techniques of measurement and results during HAPEX-Sahel

Begue A.; Roujean J.; Hanan N.; Prince S.; Thawley M.; Huete Alfredo; Tanre D. (Elsevier Inc, 1996)

Shortwave radiative budgets of Sahelian savannas and a millet crop were measured during the 1992 HAPEX-Sahel field experiment, in Niger, West Africa. Measurements were conducted on four land cover types: shrub fallow, grass ...
Tree Responses To Co2 Enrichment: Co2 And Temperature Interactions, Biomass Allocation And Stand-Scale Modeling

Eamus Derek (Heron Publishing, 1996)

In this review, I focus on modeling studies of tree responses to CO2 enrichment. First, I examine leaf-scale models of assimilation with respect to the interaction between low temperature and CO2 enrichment. Second, because ...
Topoclimatic modeling for minimum temperature prediction at a regional scale in the Central Valley of Chile

Santibanez F; Morales L; La Fuente J; Cellier P; Huete Alfredo (E D P Sciences, 1997)

Spring frost may strongly affect fruit production in the Central Valley of Chile. Minimum temperatures are spatially variable owing to topography and soil conditions. A methodology for forecasting minimum temperature at a ...
Independent Effects Of The Environment On The Leaf Gas Exchange Of Three Banana (Musa Sp.) Cultivars Of Different Genomic Constitution

Thomas David; Turner David; Eamus Derek (Elsevier Science Bv, 1998)

Circumstantial evidence suggests that the Musa balbisiana (B) genome confers greater drought tolerance to bananas and plantains than the Musa acuminata (A) genome. Hence the genetic makeup of bananas and plantains may ...
Transpiration Increases During The Dry Season: Patterns Of Tree Water Use In Eucalypt Open-Forests Of Northern Australia

O'Grady Anthony; Eamus Derek; Hutley Lindsay (Heron Publishing, 1999)

Australian savannas exhibit marked seasonality in precipitation, with more than 90% of the annual total falling between October and May. The dry season is characterized by declining soil water availability and high vapor ...
Seasonal Changes In Photosynthesis Of Eight Savanna Tree Species

Eamus Derek; Myers B; Duff G; Williams Diana (Heron Publishing, 1999)

Seasonal variations in carbon assimilation of eight tree species of a north Australian tropical savanna were examined over two wet seasons and one dry season (18 months). Assimilation rates (A) in the two evergreen species, ...
Resposta espectral de solos em razao do angulo de visada, da umidade e da rugosidade superficial (Soil Spectral Response In Relation To Viewing Angle, Soil Moisture And Surface Roughness)

Accio Luciano; Huete Alfredo (Empresa Brasileira de Pesquisa Agropecuaria, 2000)

The objective of this study was to characterize the bi-directional reflectance factor (BRF) of three soil series (McAllister, Stronghold, and Epitaph) located at the Walnut Gulch Experimental Watershed (Arizona, USA) as a ...
Dry Season Conditions Determine Wet Season Water Use In The Wet-Dry Tropical Savannas Of Northern Australia

Eamus Derek; O'Grady Anthony; Hutley Lindsay (Heron Publishing, 2000)

Daily and seasonal patterns of transpiration were measured in evergreen eucalypt trees growing at a wet (Darwin), intermediate (Katherine) and dry site (Newcastle Waters) along a steep rainfall gradient in a north Australian ...
Waste water collection and treatment technologies for semi-urban areas of India: a case study

Sundaravadivel Marimuthu; Vigneswaran Saravanamuth (John Wiley and Sons Inc, 2001)
Carbohydrate epitopes are immunodominant at the surface of infectious Neoparamoeba spp.

Villavedra Sierra Margarita; Lemke Susan; To Joyce; Broady Kevin; Wallach Michael; Raison Robert (Blackwell Science, 2001)
Comparative water use by the riparian trees Melaleuca argentea and Corymbia bella in the wet-dry tropics of northern Australia

O'Grady Anthony; Eamus Derek; Cook Peter; Lamontagne Sébastien (Hogrefe and Huber Publishers, 2001)
Indicators of biofilm development and activity in constructed wetlands microcosms

Ragusa S; Mcnevin Denis; Qasem S; Mitchell Cynthia (American Chemical Society, 2001)

Now showing items 1-20 of 251

Browsing 07 Agricultural and Veterinary Sciences by Issue Date

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Browsing 07 Agricultural and Veterinary Sciences by Issue Date