Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 1 - 50 of 417 results
- Library Collection RecordBook Review. No abstract available.Publication Date 2012
- ecosystem processes
- ecosystem ecology
- Library Collection RecordBook Review. No abstract is available for this article.Publication Date 2012
- deserts
- ecosystem ecology
- Library Collection RecordFeatures Discusses the history of the disconnect and methods of strengthening ties between wildlife research and management Examines the disconnect from an institutional perspective - including…Publication Date 2012
- management
- game
- ecosystem ecology
- grasslands
- rangelands
- Library Collection RecordThis article is a world-wide overview of plant domestication and the origins of agriculture. It focuses on the archaeological record: the what, where, and when of these processes, with a brief…Publication Date 2008
- agriculture
- China
- crops
- domestication
- eastern North America
- Formative
- Maize (corn)
- Mesoamerica
- Near East
- Neolithic
- New Guinea
- Rice
- Sub-Saharan Africa
- South America
- Southeast Asia
- wheat
- palaeobotany
- southern Africa
- Library Collection RecordThe Late Pleistocene vertebrate record of Africa contributes to our understanding of human evolution and the development of modern biotic environments. This article explores this record, paying…Publication Date 2007
- Africa
- Ancient DNA
- Body size changes
- Bovids
- carnivores
- climate change
- Equids
- Extinctions
- Fossils
- Late Pleistocene
- Madagascar
- mammals
- Mid-Pleistocene
- Modern human origins
- Paleontology
- palaeobotany
- southern Africa
- Library Collection RecordCurrent knowledge of the vegetation response to climate changes in tropical Africa and particularly the reconstitution of stand dynamics is severely limited by the scarcity of long and complete, well…Publication Date 2007
- African Humid Period
- freshwater algae
- paleobiodiversity
- plant Migration
- palynology
- pollen
- tropical Africa
- palaeobotany
- southern Africa
- Library Collection RecordMixed farming (the ‘Iron Age’) was introduced to the summer rainfall areas of southern Africa early in the first millennium AD and did not evolve from the local Later Stone Age. In southern…Publication Date 2008
- Bantu-speakers
- Hunter-gatherers
- Indian Ocean trade
- [`]Iron Age'
- Mapungubwe
- mixed farming
- summer rainfall
- Zimbabwe culture
- palaeobotany
- southern Africa
- Library Collection RecordSummary 10.1002/9780470292136.ch7.abs This chapter contains sections titled: * Objectives for This Chapter * Introduction * Defining Biodiversity * The Economic Value of Biodiversity * Threats to…Publication Date 2008
- biodiversity
- wildlife conservation
- ecosystem
- habitat destruction
- invasive species
- conservation
- ecosystem ecology
- Alien invasive species
- indigenous encroaching species
- southern Africa
- Library Collection RecordAn overview of ecological models of grasslands and their research questions is presented. For the purpose of this article, models are regarded as a simplified and formalized representation of…Publication Date 2008
- competition
- disturbance
- Ecosystem modeling
- Grassland dynamics
- grazing
- Optimal life-history strategies
- primary production
- Remote sensing data
- Spatially explicit models
- succession
- modelling
- ecosystem ecology
- community
- vegetation dynamics
- plant production
- southern Africa
- Library Collection RecordConservation Biology for All provides cutting-edge but basic conservation science to a global readership. A series of authoritative chapters have been written by the top names in conservation biology…Publication Date 2010
- conservation
- climate change
- socio-economic aspects
- ecosystem ecology
- management
- fire ecology
- invasive species
- southern Africa
- Library Collection RecordThis chapter discusses the value and future of natural desert ecosystems. The goods and services provided by ecological systems and the natural capital that produce them are critical to the…Publication Date 2002
- desertification
- ecosystem ecology
- southern Africa
- Library Collection RecordSummary 10.1002/9780470698716.ch20.abs This chapter contains section titled: * Early Grassland Soils * How did Grasslands Arise? * Evolutionary ProcessesPublication Date 2008
- dry continental interiors
- advent of grasses
- urine-impregnated middens
- plant fossils
- ancient aridland ecosystems
- grasslands
- palaeobotany
- ecosystem ecology
- southern Africa
- Library Collection RecordThe geology, climates past and present, and soils of Africa are summarized, as are the effects of fire on the vegetation. The vegetation and animals of each major zone – forest, tropical seasonal…Publication Date 2001
- ecosystem ecology
- biodiversity
- southern Africa
- Library Collection RecordSummary 10.1002/9780470609880.ch8.abs This chapter contains sections titled: * Introduction * Hominid Exploitation of Wetlands Environments and Resources * Early Hominins: Colonization of New…Publication Date 2010
- exploitation of wetlands environments and foods by pre-sapiens hominins
- early hominins - colonization of new environments
- preconditions for encephalization - physiological considerations
- palaeobotany
- southern Africa
- Library Collection RecordSummary Grasslands are located in areas with precipitation ranging between 150 and 1200 mm yr-1 and temperature between 0 and 25 C (Lieth and Whittaker, 1975). Along a precipitation gradient, in…Publication Date 2001
- grasslands
- rainfall
- ecosystem ecology
- southern Africa
- Library Collection RecordAbstract Livestock grazing is often viewed as having detrimental effects on plants and plant communities. Livestock grazing can, however, be managed to be an effective tool for vegetation management…Publication Date 2010
- livestock
- grazing
- nutrition
- ecology
- management
- vegetation dynamics
- ecosystem ecology
- fire ecology
- southern Africa
- Library Collection RecordSummary In this chapter, we discuss climatic fluctuations in northern and eastern Africa during the Holocene and in particular the middle Holocene. The major emphasis is on the Sahara and the…Publication Date 2007
- palaeobotany
- palaeoclimate
- southern Africa
- Library Collection RecordThe pollen record of the late Pleistocene in Africa is poorly resolved due to the paucity of sites combined with the fragmented nature of most sequences. A vegetation history of the continent can,…Publication Date 2007
- palynology
- Vegetation history
- Last Glacial Maximum
- Biomes
- Tropical rain forest
- savannas
- Arid and semiarid biomes
- Afromontane region
- Mediterranean climate regions
- climate change
- Refugium hypothesis
- palaeoecology
- palaeobotany
- palaeoclimate
- palaeoenvironmental data
- southern Africa
- Library Collection RecordNo abstract availablePublication Date 2006
- ecosystem ecology
- management
- Africa
- Library Collection RecordSusan Kent had been working on a project excavating an open-air archaeological site in the eastern Free State, South Africa, at the time of her death. She had commissioned geological studies, which…Publication Date 2006
- paleoenvironments
- Middle Stone Age
- pollen
- phytoliths
- optically stimulated luminescence dating
- palaeobotany
- Africa
- Library Collection RecordABSTRACT South Africa's first national assessment of spatial priorities for biodiversity conservation, released in 2005, aimed to identify conservation priority areas for mainstreaming into all…Publication Date 2007
- National Spatial Biodiversity Assessment
- conservation planning
- mainstreaming
- Implementation
- biodiversity
- conservation
- mapping
- ecosystem ecology
- ecosystems
- monitoring
- Africa
- Library Collection RecordSummary * 1Grasses using the C4 photosynthetic pathway dominate today's savanna ecosystems and account for ~20% of terrestrial carbon fixation. However, this dominant status was reached only…Publication Date 2008
- atmospheric CO2
- C4 plants
- climate change
- fire
- grasslands
- grazing
- Poaceae
- rainfall
- savanna
- seasonality
- carbon dioxide
- palaeoclimate
- palaeobotany
- Africa
- Library Collection Record1. Gradients of animal impact known as piospheres tend to develop around artificial watering points, particularly in arid zones. Such grazing gradients represent a potential opportunity for…Publication Date 2006
- animal impact
- piosphere
- watering points
- livestock
- species richness
- ecosystem ecology
- rangelands
- grazing
- management
- disturbance
- stocking rates
- Africa
- Library Collection RecordUsing new tools (boosted regression trees) in predictive biogeography, with extensive spatial 23 distribution data for >19 000 species, we developed predictive models for South African plant…Publication Date 2006
- modelling
- species richness
- ecosystem ecology
- Alien invasive species
- grasslands
- Africa
- Library Collection RecordSummary * 1Demographic processes, particularly the recruitment of seedlings, are critical to the long-term survival and re-establishment of plant populations. In many perennial grasslands successful…Publication Date 2008
- demography
- emergence
- full factorial experiment
- intraspecific competition
- irrigation
- recruitment limitation
- seed addition
- seedling survival
- semi-arid savanna
- Stipagrostis uniplumis
- grasslands
- fire ecology
- seeds
- ecosystem ecology
- vegetation dynamics
- germination
- Africa
- Library Collection RecordPatches of wooded vegetation in nutrient-poor grassland characteristically contain high soil moisture and nutrient availability compared with surrounding grassland. These 'islands of fertility…Publication Date 2007
- grasslands
- soil moisture
- soil nutrients
- soil fertility
- animal impact
- fire
- ecosystem ecology
- Africa
- Library Collection RecordThis paper documents a continuous ~ 44,000-yr pollen record derived from the Mfabeni Peatland on the Maputaland Coastal Plain. A detailed fossil pollen analysis indicates the existence of extensive…Publication Date 2008
- climate change
- Forest history
- Maputaland
- Africa
- pollen
- human impacts
- palaeobotany
- Africa
- Library Collection RecordResidues of arbuscular mycorrhizal fungi (AMF) may be important for agroecosystem functioning due to their ability to promote soil aggregation, especially in coarse textured soils with little biomass…Publication Date 2007
- soil organic matter
- Glomalin
- arbuscular mycorrhizal fungi
- Biomarker
- Arable land use
- savanna
- soils
- ecosystem ecology
- plant production
- Africa
- Library Collection RecordThis paper reviews the results of recent research on riparian vegetation recovery following the clearance of invasive alien plants. In Fynbos, Grassland and Savanna Biomes, riparian ecosystems were…Publication Date 2008
- Alien vegetation control
- fire
- Fynbos
- grassland
- biological invasions
- restoration
- riparian ecosystems
- savanna
- seed banks
- Alien invasive species
- management
- restoration ecology
- ecosystem ecology
- ecosystem services
- Africa
- Library Collection RecordSolanum mauritianum Scopoli (Solanaceae; 'bugweed') is a major weed of natural vegetation and plantations in the eastern higher rainfall regions of South Africa. This study assessed the…Publication Date 2008
- Ecosystem repair
- integrated control
- non-native species
- restoration ecology
- weed management
- Working for Water
- Alien invasive species
- ecosystem ecology
- hydrology
- grasslands
- savanna
- herbicides
- seed banks
- germination
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- soils
- soil fertility
- national parks
- ecosystem ecology
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- grasslands
- ecosystem ecology
- Africa
- Library Collection RecordThe palynology of two overlapping Holocene cores from Lake Sibaya in KwaZulu-Natal elucidates the relationship between climate, vegetation and human impact in the region. By means of twenty-one AMS…Publication Date 2008
- palynology
- Vegetation history
- Holocene
- South Africa
- palaeobotany
- Africa
- Library Collection RecordSavanna ecosystems of southern Africa are strongly influenced by water availability and fire intensity, and this study aimed to show whether these two specific environmental variables are reflected…Publication Date 2008
- calibration
- Kruger National Park
- fire history
- quantitative analysis
- Relevant Source Area of Charcoal
- fire ecology
- palaeobotany
- rainfall
- Africa
- Library Collection RecordNew detailed biome reconstructions are proposed in East Africa from modern pollen data derived from 150 sites located in northern Kenya (40 sites), north-western Uganda (51 sites) and southern…Publication Date 2006
- palaeobotany
- biomisation
- East Africa
- modern pollen
- plant functional type
- Africa
- Library Collection RecordVegetation changes are documented from a well-dated pollen record from Lake Emakat, Empakaai Crater, northern Tanzania. This pollen record includes the time interval covering the Pleistocene/Holocene…Publication Date 2006
- East Africa
- pollen analysis
- Pleistocene/Holocene transition
- Vegetation Change
- palaeobotany
- Africa
- Library Collection RecordThe degree to which different lakes within a landscape respond coherently (in unison) to external drivers such as climate change and soil development is uncertain. Presentation of multi-proxy,…Publication Date 2007
- palaeobotany
- Africa
- Library Collection RecordPollen analysis shed light on vegetation community structure over the last 23,000 year in the western Cape. The pollen from dated hyrax faecal accumulations (hyraceum) relates to the evolution of…Publication Date 2007
- palaeobotany
- palaeoclimate
- Africa
- Library Collection RecordIn this paper, we develop an original statistical method to infer palaeoenvironmental conditions from fossil taxonomical assemblages based on the present-day observed environmental characteristics of…Publication Date 2006
- palaeobotany
- Africa
- Library Collection RecordThe distribution of pollen in marine sediments is used to record vegetation change on the continent. Generally, a good latitudinal correspondence exists between the distribution patterns of pollen in…Publication Date 2006
- palaeobotany
- pollen distribution
- Africa
- Library Collection RecordAlluvial and braided fluvial deposits of the 3.2 Ga Moodies Group in the Barberton greenstone belt, South Africa, are analyzed petrographically and geochemically to identify their source rocks (…Publication Date 2006
- Archean sedimentary rocks
- Paleoweathering
- Paleoclimate
- provenance
- Barberton Greenstone Belt
- palaeobotany
- Africa
- Library Collection RecordComplementary resource use is regarded as a mechanism that contributes to positive relationships between biodiversity and ecosystem functioning. Here, we used a biodiversity experiment composed of…Publication Date 2008
- Arrhenatherum elatius
- Biodiversity effects
- Complementarity
- Light competition
- The Jena Experiment
- Vertical structure
- species richness
- biodiversity
- ecosystem ecology
- grasses
- grasslands
- Africa
- Library Collection RecordCoexistence of trees and grasses in savannas should be possible if competition between the woody and the grassy components is less intense than the competition within each component. Although several…Publication Date 2008
- Acacia mellifera
- Competitor removal experiment
- Nearest-neighbour distance
- quantile regression
- spatial autocorrelation
- Spatial point pattern analysis
- savanna
- ecosystem ecology
- vegetation dynamics
- ecology
- Africa
- Library Collection RecordLong environmental proxy records are very scarce in semi-dry continental areas and often those available present conflicting interpretations. However, more in-depth investigation of apparent…Publication Date 2008
- pollen
- Lake sediments
- Stable isotope
- Speleothem
- climate change
- palaeobotany
- Africa
- Library Collection RecordEvidence suggests that C4 grasses, adapted to conditions of low CO2, high temperatures, and water-stressed environments, expanded relatively quickly, and in several geographically distinct regions,…Publication Date 2007
- Oligocene
- Climate modelling
- C4 grasses
- Miocene
- C3 grasses
- palaeobotany
- modelling
- Africa
- Library Collection RecordThe lack of anoxic environments in arid lands makes well-preserved fossil pollen difficult to find. The scarcity of continental palaeobotanical data in tropical arid zones restricts the understanding…Publication Date 2007
- Namib Desert
- Holocene
- palynology
- Savanna dynamics
- Nama-Karoo
- Vegetation history
- Hyrax middens
- palaeobotany
- Africa
- Library Collection RecordThis paper reports new multi-proxy palaeoenvironmental data on the late Glacial-Holocene transition (c. 14.8-9.3 ka) in equatorial East Africa, in the form of microfossil assemblages (chironomids,…Publication Date 2007
- climate change
- Crater lake
- Chironomids
- Diatoms
- East Africa
- Empakaai
- Multi-proxy reconstruction
- Ostracods
- palaeobotany
- Africa
- Library Collection RecordMajor morphological and behavioral innovations in early human evolution have traditionally been viewed as responses to conditions associated with increasing aridity and the development of extensive…Publication Date 2007
- Laetoli
- paleoecology
- isotopes
- Hominin evolution
- Paleodiet
- herbivore
- Pliocene
- Tanzania
- Africa
- palaeobotany
- palaeoecology
- Africa
- Library Collection RecordWe report five Oligocene-early Miocene pollen assemblages from the Loperot-1 exploration well drilled in the semi-desert Lokichar Basin (latitude 02 ° 21' 46.15'' N, longitude 35 °…Publication Date 2006
- palaeobotany
- Kenya Rift
- Turkana depression
- Lokichar Basin
- Oligo-Miocene
- palynology
- Palaeovegetation
- palaeoclimate
- Palaeogeography
- Africa
- Library Collection RecordIn this study we employ the TRIFFID (Top-down Representation of Interactive Flora and Foliage Including Dynamics) Dynamic Global Vegetation Model (DGVM) and the Hadley Centre Atmospheric General…Publication Date 2006
- Mid-Pliocene
- vegetation
- General Circulation Model
- Top-down Representation of Interactive Flora and Foliage Including Dynamics
- Hominid
- Bipedalism
- palaeobotany
- Africa