Oxford Index Search Results

You are looking at 1-20 of 35 items for:

Resource Reserve x Biological Sciences x clear all

Resource Reserve

Overview page. Subjects: Environmental Science.

An IUCN Management Category (VI) for protected areas, which is designed ‘to protect resources of the area for future use and prevent or contain development activities that could affect the...

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Reproductive Effort and Reproductive Nutrition of Female Desert Tortoises: Essential Field Methods1

Brian Thomas Henen.

in Integrative and Comparative Biology

February 2002; p ublished online February 2002 .

Journal Article. Subjects: Biological Sciences. 5599 words.

I used three innovative, nondestructive field methods (gas dilution, doubly labeled water and radiography) to measure individual energy and water budgets of wild, female desert tortoises (G...

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reserve

Michael Allaby.

in A Dictionary of Ecology

P ublished online September 2015 .

Reference Entry. Subjects: Ecology and Conservation. 117 words.

1 Resources of coal, ore, or minerals which can be mined legally and profitably under existing conditions. The indicated reserve is the estimate of ore computed from boreholes,...

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Parasitic castration: a perspective from a model of dynamic energy budgets

Spencer R. Hall, Claes Becker and Carla E. Cáceres.

in Integrative and Comparative Biology

August 2007; p ublished online June 2007 .

Journal Article. Subjects: Biological Sciences. 8419 words.

Models of the evolution of virulence have typically focused on increased mortality, one of two negative effects that parasites can inflict on their host. Those that consider the other...

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Research Reserves as a Model for Conservation Science and Management of Tidal Marshes

Matthew C. Ferner.

in Ecology, Conservation, and Restoration of Tidal Marshes

October 2012; p ublished online January 2013 .

Chapter. Subjects: Animal Pathology and Diseases. 3222 words.

Research reserves are protected natural areas where scientists conduct environmental and ecological studies. Coordinated monitoring, long-term datasets, experimental infrastructure, and the...

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Condition indices for conservation: new uses for evolving tools

R. D. Stevenson and William A. Woods.

in Integrative and Comparative Biology

October 2006; p ublished online December 2006 .

Journal Article. Subjects: Biological Sciences. 11800 words.

Biologists have developed a wide range of morphological, biochemical and physiological metrics to assess the health and, in particular, the energetic status of individual animals. These...

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Nitrogen and carbon storage in alpine plants

Russell K. Monson, Todd N. Rosenstiel, Tara A. Forbis, David A. Lipson and Charles H. Jaeger.

in Integrative and Comparative Biology

January 2006; p ublished online February 2006 .

Journal Article. Subjects: Biological Sciences. 8404 words.

Alpine plants offer unique opportunities to study the processes and economics of nutrient storage. The short alpine growing season forces rapid completion of plant growth cycles, which in...

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Influence of summer sowing dates, N fertilization and irrigation on autumn VSP accumulation and dynamics of spring regrowth in alfalfa (Medicago sativa L.)

Eric Justes, Pascal Thiébeau, Jean‐Christophe Avice, Gilles Lemaire, Jeffrey J. Volenec and Alain Ourry.

in Journal of Experimental Botany

January 2002; p ublished online January 2002 .

Journal Article. Subjects: Plant Sciences and Forestry. 7341 words.

Herbage yield of alfalfa (Medicago sativa L.) depends on forage management or environmental conditions that change C and N resource acquisition, and endogenous plants factors such as root...

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Shifts in biomass and resource allocation patterns following defoliation in Eucalyptus globulus growing with varying water and nutrient supplies

Alieta Eyles, Elizabeth A. Pinkard and Caroline Mohammed.

in Tree Physiology

June 2009; p ublished online June 2009 .

Journal Article. Subjects: Plant Sciences and Forestry. 7312 words.

In woody species, potential mechanisms to compensate for tissue loss to herbivory and diseases have been related to post-event shifts in growth, biomass and internal resource allocation...

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The Budongo Forest

Vernon Reynolds.

in The Chimpanzees of the Budongo Forest

June 2005; p ublished online September 2007 .

Chapter. Subjects: Biodiversity and Conservation Biology. 7094 words.

The history of Uganda’s forests provides the background for a detailed description of Budongo: a moist, semi-deciduous tropical rain forest, 136 square miles (425 square km) in extent, with...

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An ecophysiological approach to modelling resource fluxes in competing plants

Gilles Lemaire and Peter Millard.

in Journal of Experimental Botany

January 1999; p ublished online January 1999 .

Journal Article. Subjects: Plant Sciences and Forestry. 0 words.

A conceptual model of resource acquisition and allocation within a generalized, individual plant growing vegetatively in competition with others is presented. The model considers C and N...

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Conservation and Its Challenges in Kenya

Josphat Ngonyo and Mariam Wanjala.

in Ignoring Nature No More

June 2013; p ublished online January 2014 .

Chapter. Subjects: Biodiversity and Conservation Biology. 3207 words.

This chapter discuses conservation challenges in Kenya. The country has a number of projects aimed at protecting endangered species and maintaining biodiversity. Those taking precedence...

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Pandas and People

Edited by Jianguo Liu, Vanessa Hull, Wu Yang, Andrés Viña, Xiaodong Chen, Zhiyun Ouyang and Hemin Zhang.

January 2016; p ublished online March 2016 .

Book. Subjects: Biodiversity and Conservation Biology. 304 pages.

This book synthesizes two decades of interdisciplinary research on complex interactions between a global conservation icon (the giant panda) and people, as well as its applications to...

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Photosynthesis in reproductive structures: costs and benefits

John A. Raven and Howard Griffiths.

in Journal of Experimental Botany

April 2015; p ublished online February 2015 .

Journal Article. Subjects: Plant Sciences and Forestry. 6164 words.

The role of photosynthesis by reproductive structures during grain-filling has important implications for cereal breeding, but the methods for assessing the contribution by reproductive...

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Short-term effects of defoliation intensity on sugar remobilization and N fluxes in ryegrass

Frédéric Meuriot, Annette Morvan-Bertrand, Nathalie Noiraud-Romy, Marie-Laure Decau, Abraham J Escobar-Gutiérrez, François Gastal and Marie-Pascale Prud’homme.

in Journal of Experimental Botany

July 2018; p ublished online June 2018 .

Journal Article. Subjects: Plant Sciences and Forestry. 9816 words.

Abstract

In grassland plant communities, the ability of individual plants to regrow after defoliation is of crucial importance since it allows the restoration...

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Ontogenetic patterns in the mechanisms of tolerance to herbivory in Plantago

Kasey E. Barton.

in Annals of Botany

August 2013; p ublished online April 2013 .

Journal Article. Subjects: Plant Ecology. 7457 words.

Background and Aims

Herbivory and plant defence differ markedly among seedlings and juvenile and mature plants in most species. While ontogenetic patterns of...

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Spatial and temporal variations in leaf area index, specific leaf area and leaf nitrogen of two co-occurring savanna tree species

Guillaume Simioni, Jacques Gignoux, Xavier Le Roux, Raphaëlle Appé and Daniele Benest.

in Tree Physiology

February 2004; p ublished online February 2004 .

Journal Article. Subjects: Plant Sciences and Forestry. 0 words.

Foliage growth, mass- and area-based leaf nitrogen concentrations (N m and N a) and specific leaf area (SLA) were surveyed during a complete vegetation cycle for two...

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Immunocompetence and resource holding potential in the damselfly, Calopteryx virgo L

Jani Koskimäki, Markus J. Rantala, Jouni Taskinen, Katja Tynkkynen and Jukka Suhonen.

in Behavioral Ecology

January 2004; p ublished online January 2004 .

Journal Article. Subjects: Evolutionary Biology; Ecology and Conservation; Zoology and Animal Sciences. 3918 words.

It is generally believed that resource holding potential reliably reflects male quality, but empirical evidence showing this is scarce. Here we show that the outcome of male-male competition...

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Resource Limitation of Nesting: Chance Favors the Prepared Dung Beetle

A. González-Megías and F. Sánchez-Piñero.

in Environmental Entomology

April 2004; p ublished online October 2014 .

Journal Article. Subjects: Entomology. 7068 words.

Over a period of 2 yr, physiological and morphological traits related with nesting in two dominant dung beetle species in the Guadix-Baza Basin (Onitis ion [Ol.] and Onthophagus merdarius C...

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Removal Rates of Native and Exotic Dung by Dung Beetles (Scarabaeidae: Scarabaeinae) in a Fragmented Tropical Rain Forest

Sandra Amézquita and Mario E. Favila.

in Environmental Entomology

April 2010; p ublished online November 2014 .

Journal Article. Subjects: Entomology. 5390 words.

Many studies have evaluated the effect of forest fragmentation on dung beetle assemblage structure. However, few have analyzed how forest fragmentation affects the processes carried out by...

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Socio-spatial organization and spatial ecology

M.G.L. Mills and M.E.J. Mills.

in Kalahari Cheetahs

April 2017; p ublished online June 2017 .

Chapter. Subjects: Zoology and Animal Sciences; Biodiversity and Conservation Biology. 6521 words.

Home ranges of males (1204 km2) and females (1510 km2) were similar. Female home range size was positively related to the dispersion of prey and generally, but not exclusively, they...

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