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Journal articles on the topic 'Savannas – Management'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Strydom, Tercia, and Stephen A. Midzi. "Evolving fire management strategies and their impact on the occurrence and spatial extent of unplanned wildfires in a large African savanna park." Territorium, no. 26(I) (December 27, 2018): 19–27. http://dx.doi.org/10.14195/1647-7723_26-1_2.

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Savannas cover approximately 20 % of the global land surface. In African savannas, fire is an important agent for controlling these ecosystems. Kruger National Park (KNP) is a large African savanna park which has implemented a variety of fire management strategies over the years. Using KNP’s recorded fire history (from 1941-2017), we examined the occurrence and spatial extent of accidental wildfires in KNP in relation to adaptations in the fire management strategies over time. From 1941 to 2017 fires were a regular, almost annual occurrence in KNP. However, fuel loads accumulate over time when

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Murphy, Brett P., Adam C. Liedloff, and Garry D. Cook. "Does fire limit tree biomass in Australian savannas?" International Journal of Wildland Fire 24, no. 1 (2015): 1. http://dx.doi.org/10.1071/wf14092.

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Processes allowing coexistence of trees and grasses in tropical savannas have long intrigued ecologists. Early theories focused on climatic controls, but a conceptual model has emerged suggesting that savanna trees are subject to a fire-mediated recruitment bottleneck, with frequent fires preventing recruitment of saplings into the tree layer and maintaining biomass well below its climate-determined upper bound. We propose that this conceptual model has been overemphasised in northern Australia, where tree abundance is more strongly controlled by water availability. The dominant trees, eucalyp

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López-Olmedo, L. I., J. A. Meave, and E. A. Pérez-García. "Floristic and structural contrasts between natural savannas and anthropogenic pastures in a tropical dry landscape." Rangeland Journal 29, no. 2 (2007): 181. http://dx.doi.org/10.1071/rj07007.

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The magnitude of the biological differentiation between natural savannas and pastures (anthropogenic grasslands) coexisting in a single landscape, in terms of their floristic composition and community structure, was studied in the Nizanda region, Isthmus of Tehuantepec, Oaxaca State, southern Mexico. Vegetation samples of 15 m2 each were taken at 20 savanna and 11 pasture sites. Cover- and species richness-based diversity and dominance indices were calculated. Geomorphological and edaphic characteristics were also compared. Savannas generally occurred in hill summits with very shallow and ston

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Traoré, Lassina, Amadé Ouédraogo, and Adjima Thiombiano. "To What Extent Do Protected Areas Determine the Conservation of Native Flora? A Case Study in the Sudanian Zone of Burkina Faso." ISRN Botany 2012 (November 14, 2012): 1–10. http://dx.doi.org/10.5402/2012/168196.

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Natural vegetation contributes significantly to the daily needs of local people especially in the developing countries. This exerts a high pressure on freely accessible natural savannas and jeopardizes the conservation of protected areas. In Burkina Faso, conservation measures, such as the creation of protected forests, have been taken to safeguard the remaining indigenous vegetation. However, little is known about the effectiveness of these protected areas in conserving biodiversity. This study compared the diversity and structural characteristics of the vegetation communities in protected an

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Bond, William J., and Sally Archibald. "Confronting complexity: fire policy choices in South African savanna parks." International Journal of Wildland Fire 12, no. 4 (2003): 381. http://dx.doi.org/10.1071/wf03024.

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Changes in ecological concepts and a new focus on biodiversity as a central objective have led to changes in fire policies in South African savanna parks. Prescribed burning using fixed fire intervals is being replaced by systems that promote more variable fire regimes and greater management flexibility. Three policy alternatives have been proposed for Kruger National Park: a lightning fire policy, patch mosaic burning, and burning based on ecological criteria. There is no agreement as yet on which policy to adopt. However there is growing consensus on the use of a management system using 'thr

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Russell-Smith, Jeremy, Cameron Yates, Andrew Edwards, et al. "Contemporary fire regimes of northern Australia, 1997 - 2001: change since Aboriginal occupancy, challenges for sustainable management." International Journal of Wildland Fire 12, no. 4 (2003): 283. http://dx.doi.org/10.1071/wf03015.

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Considerable research has been undertaken over the past two decades to apply remote sensing to the study of fire regimes across the savannas of northern Australia. This work has focused on two spatial scales of imagery resolution: coarse-resolution NOAA-AVHRR imagery for savanna-wide assessments both of the daily distribution of fires ('hot spots'), and cumulative mapping of burnt areas ('fire-scars') over the annual cycle; and fine-resolution Landsat imagery for undertaking detailed assessments of regional fire regimes. Importantly, substantial effort has been given to the validation of fire

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Williams, Richard J., Lindsay B. Hutley, Garry D. Cook, Jeremy Russell-Smith, Andrew Edwards, and Xiayong Chen. "Viewpoint: Assessing the carbon sequestration potential of mesic savannas in the Northern Territory, Australia: approaches, uncertainties and potential impacts of fire." Functional Plant Biology 31, no. 5 (2004): 415. http://dx.doi.org/10.1071/fp03215.

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Tropical savannas cover a quarter of the Australian landmass and the biome represents a significant potential carbon sink. However, these savannas are subject to frequent and extensive fire. Fire regimes are likely to affect the productivity and carbon sequestration potential of savannas, through effects on both biomass and carbon emissions. The carbon sequestration potential has been estimated for some savanna sites by quantifying carbon storage in biomass and soil pools, and the fluxes to these pools. Using different techniques, previous work in these savannas has indicated that net ecosyste

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Vella, Karen J., Richard J. Williams, Daniel H. Walker, Alex Smajgl, Miko U. F. Kirschbaum, and Romy Greiner. "Viewpoint: social and economic dimensions of involving savanna communities in carbon management systems." Australian Journal of Botany 53, no. 7 (2005): 741. http://dx.doi.org/10.1071/bt04177.

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In this paper we discuss the social, economic and institutional aspects of the development of carbon management systems within Australia’s tropical savannas. Land-use values in savanna landscapes are changing as a result of changing economic markets, greater recognition of native title, and growing social demands and expectations for tourism, recreation and conservation. In addition, there is increasing interest in developing markets and policy arrangements for greenhouse gas abatement, carbon sequestration and carbon trade in savannas. We argue that for carbon management to lead to national g

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BRIDGEWATER, S., A. IBÁÑEZ, J. A. RATTER, and P. FURLEY. "VEGETATION CLASSIFICATION AND FLORISTICS OF THE SAVANNAS AND ASSOCIATED WETLANDS OF THE RIO BRAVO CONSERVATION AND MANAGEMENT AREA, BELIZE." Edinburgh Journal of Botany 59, no. 3 (2002): 421–42. http://dx.doi.org/10.1017/s0960428602000252.

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A floristic inventory and preliminary vegetation classification were made for the tracts of savanna and associated wetland vegetation in the Rio Bravo Conservation and Management Area (RBCMA) in Belize. A total of 258 species were recorded, representing c.7% of the Belizean flora. Of these, 148 species are characteristic of the drier savanna systems, while 47 show a preference for hydrologic savanna and wetland areas. Only 57 species (22% of RBCMA savanna flora) are woody, with the savanna tree flora comprising 15 species. The flora of the RBCMA was found to be fairly typical of the savannas o

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ANDERSEN, ALAN N., JOHN C. Z. WOINARSKI, and CATHERINE L. PARR. "Savanna burning for biodiversity: Fire management for faunal conservation in Australian tropical savannas." Austral Ecology 37, no. 6 (2012): 658–67. http://dx.doi.org/10.1111/j.1442-9993.2011.02334.x.

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Williams, R. J., J. C. Z. Woinarski, and A. N. Andersen. "Fire experiments in northern Australia: contributions to ecological understanding and biodiversity conservation in tropical savannas." International Journal of Wildland Fire 12, no. 4 (2003): 391. http://dx.doi.org/10.1071/wf03025.

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The management of fire in savannas has been informed by a strong tradition of fire experiments, especially in Africa. This research tradition is much shorter in the 2 million square kilometres of tropical savannas in northern Australia, but has yielded several natural experiments, and three designed, manipulative, controlled field experiments (hereafter 'manipulative' experiments) of international significance (at Munmarlary, Kapalga and Kidman Springs in the Northern Territory). Here we assess the contributions of experiments, in particular the manipulative experiments, to ecological understa

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McKeon, G. M., K. A. Day, S. M. Howden, et al. "Northern Australian Savannas: Management for Pastoral Production." Journal of Biogeography 17, no. 4/5 (1990): 355. http://dx.doi.org/10.2307/2845365.

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13

Scott, Jennifer E., and Guy R. McPherson. "Ecology and Management of North American Savannas." Journal of Range Management 51, no. 4 (1998): 479. http://dx.doi.org/10.2307/4003340.

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Kuvlesky, William P., and Guy R. McPherson. "Ecology and Management of North American Savannas." Journal of Wildlife Management 63, no. 2 (1999): 756. http://dx.doi.org/10.2307/3802666.

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Blentlinger, Luke, and Hannah V. Herrero. "A Tale of Grass and Trees: Characterizing Vegetation Change in Payne’s Creek National Park, Belize from 1975 to 2019." Applied Sciences 10, no. 12 (2020): 4356. http://dx.doi.org/10.3390/app10124356.

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The lowland savannas of Belize are important areas to conserve for their biodiversity. This study takes place in Payne’s Creek National Park (PCNP) in the southern coastal plain of Belize. PCNP protects diverse terrestrial and coastal ecosystems, unique physical features, and wildlife. A Support Vector Machine (SVM) classification technique was used to classify the heterogeneous landscape of PCNP to characterize woody and non-woody conversion in a time-series of remotely sensed data from 1975, 1993, 2011 and 2019. Results indicate that the SVM classifier performs well in this small savanna lan

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Whitehead, Peter J., Jeremy Russell-Smith, and John C. Z. Woinarski. "Fire, landscape heterogeneity and wildlife management in Australia's tropical savannas: introduction and overview." Wildlife Research 32, no. 5 (2005): 369. http://dx.doi.org/10.1071/wr05069.

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Despite an apparent structural integrity, the savanna landscapes of northern Australia are in flux. Important elements of the fauna have contracted in range and are less abundant than in the relatively recent past. Vegetation patterns are changing as populations of some important woody plants decline in some parts of the savannas while, in other places, different trees and shrubs are substantially increasing in density. These sorts of changes are occurring in lands under all tenures and subject to a variety of management goals and practices, including conservation reserves. Fire, large grazing

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DE LA OSSA-LACAYO, ALEJANDRO, SARA TRUJILLO-V, and JAIME DE LA OSSA V. "The Savanna: formation of great productive value." Revista Colombiana de Ciencia Animal - RECIA 8, no. 1 (2016): 120. http://dx.doi.org/10.24188/recia.v8.n1.2016.236.

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The present studies elaborates a revision of the information about ecology and management that the savannas have, it makes a differentiation among the two big groups of them: natural savannas and antropic savannas. It gathers important aspects on the handling that is given to these environmental formations and the value of these natural areas of great importance and discusses its fragility and associates them as strategic ecosystem. Equally, it indexes to the evolutionary aspects of the savannas and reference the importance of these in the Colombian Caribbean.

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Banfai, Daniel S., and David M. J. S. Bowman. "Dynamics of a savanna-forest mosaic in the Australian monsoon tropics inferred from stand structures and historical aerial photography." Australian Journal of Botany 53, no. 3 (2005): 185. http://dx.doi.org/10.1071/bt04141.

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Stratified ground-truthing was undertaken within an area of approximately 30 km2 of tropical savanna across an abrupt sandstone escarpment in the monsoon tropics of Australia. Comparison of aerial photographs from 1941 and 1994 had previously revealed a landscape-wide expansion of closed forest and contraction of grassland patches. Good congruence between field measurements and the vegetation classifications from the 1994 aerial photography supported the authenticity of the vegetation changes. The relative abundance of rainforest and non-rainforest tree species also concurred with mapped veget

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Grundel, Ralph, and Noel B. Pavlovic. "Response of Bird Species Densities to Habitat Structure and Fire History Along a Midwestern Open–Forest Gradient." Condor 109, no. 4 (2007): 734–49. http://dx.doi.org/10.1093/condor/109.4.734.

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Abstract Oak savannas were historically common but are currently rare in the Midwestern United States. We assessed possible associations of bird species with savannas and other threatened habitats in the region by relating fire frequency and vegetation characteristics to seasonal densities of 72 bird species distributed across an open–forest gradient in northwestern Indiana. About one-third of the species did not exhibit statistically significant relationships with any combination of seven vegetation characteristics that included vegetation cover in five vertical strata, dead tree density, and

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McInnerney, Courtney, Christopher E. Comer, Brian Oswald, Roger J. Masse, and Christopher M. Schalk. "Avian Responses to Vegetation Changes From Post Oak Savanna Restoration Efforts in Eastern Texas." Journal of Fish and Wildlife Management 12, no. 1 (2021): 61–69. http://dx.doi.org/10.3996/jfwm-20-028.

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Abstract Once covering approximately 46 million hectares of the Midwestern United States extending from southern Wisconsin southward into Texas, canopy cover of oak savannas ranged from 10% to 70%, and were dominated by fire-resistant oak species such as bur oak Quercus macrocarpa and post oak Quercus stellata, with a well-developed, diverse herbaceous layer dominated by fire-adapted grasses and forbs. In response to the loss and degradation of oak savannas, associated wildlife populations have experienced long-term declines. For example, 70% of disturbance-dependent bird species in the United

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Qasim, Mohammad, Stefan Porembski, Katharina Stein, and André Lindner. "Rapid Assessment of Key Structural Elements of Different Vegetation Types of West African Savannas in Burkina Faso." Journal of Landscape Ecology 9, no. 1 (2016): 36–48. http://dx.doi.org/10.1515/jlecol-2016-0003.

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Abstract Estimations of Leaf Area Index (LAI) have recently gained attention due to the sensitivity to the effects of climate change and its impact on forest ecosystems. Hence, a study was conducted on the LAI estimation of four vegetation types: (i) gallery forests, (ii) woodland savannas, (iii) tree savannas, and (iv) shrub savannas, at two protected areas of Nazinga Game Ranch and Bontioli Nature Reserve, Burkina Faso. A relationship between LAI and Crown Diameter was also investigated at these two sites. Digital hemispherical photography was used for the LAI estimation. Crown diameters (CD

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Rockström, J. "Making the best of climatic variability: options for upgrading rainfed farming in water scarce regions." Water Science and Technology 49, no. 7 (2004): 151–56. http://dx.doi.org/10.2166/wst.2004.0442.

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Coping with climatic variability for livelihood security is part of everyday life for rural communities in semi-arid and dry sub-humid savannas. Water scarcity caused by rainfall fluctuations is common, causing meteorological droughts and dry spells. However, this paper indicates, based on experiences in sub-Saharan Africa and India, that the social impact on rural societies of climatically induced droughts is exaggerated. Instead, water scarcity causing food deficits is more often caused by management induced droughts and dry spells. A conceptual framework to distinguish between manageable an

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Parsa, Soroush, Jaime Gómez Naranjo, Diego Alejandro Alba Quijano, et al. "An Observatory Plot System for Grain Production in the Neotropical Savannas." Dataset Papers in Science 2015 (April 8, 2015): 1–7. http://dx.doi.org/10.1155/2015/625846.

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The neotropical savanna is the second largest biome in South America, with significant potential for agricultural development. In Colombia, this biome is experiencing rapid land-use change leading to the conversion of seminatural landscapes into to intensive agricultural systems. Our Dataset Paper documents the emerging intensive grain production systems. Between 2011 and 2013, we established 336 observatory plots within farmer’s maize, rice, and soybean fields along a 200 Km transect from Puerto Lopez (Meta) to Viento (Vichada). From each of these plots, we submit 184 descriptors or variables

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Henry, Beverley, Chris Mitchell, Annette Cowie, Oliver Woldring, and John Carter. "A regional interpretation of rules and good practice for greenhouse accounting: northern Australian savanna systems." Australian Journal of Botany 53, no. 7 (2005): 589. http://dx.doi.org/10.1071/bt04200.

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Land-use change, particularly clearing of forests for agriculture, has contributed significantly to the observed rise in atmospheric carbon dioxide concentration. Concern about the impacts on climate has led to efforts to monitor and curtail the rapid increase in concentrations of carbon dioxide and other greenhouse gases in the atmosphere. Internationally, much of the current focus is on the Kyoto Protocol to the United Nations Framework Convention on Climate Change (UNFCCC). Although electing to not ratify the Protocol, Australia, as a party to the UNFCCC, reports on national greenhouse gas

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Chianu, Jonas Nwankwo, and Hiroshi Tsujii. "Integrated Nutrient Management in the Farming Systems of the Savannas of Northern Nigeria: What Future?" Outlook on Agriculture 34, no. 3 (2005): 197–202. http://dx.doi.org/10.5367/000000005774378856.

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Integrated nutrient management (INM) is being promoted in Sub-Saharan Africa. The authors examined INM practices among farmers in the savannas of northern Nigeria in the hope of making suggestions to improve the impact of INM practices on soil fertility. The results indicate that, although the various components of INM are available in the farming systems, only a partial integration is occurring with limited impact on soil fertility. The major constraints include: the harsh savanna environment, lack of supportive institutions and labour, high fertilizer prices and inadequate availability of or

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Caillault, Sébastien, Paul Laris, Cyril Fleurant, Daniel Delahaye, and Aziz Ballouche. "Anthropogenic Fires in West African Landscapes: A Spatially Explicit Model Perspective of Humanized Savannas." Fire 3, no. 4 (2020): 62. http://dx.doi.org/10.3390/fire3040062.

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Fire regimes are important components of environmental dynamics, but our understanding of them is limited. Despite recent advances in the methodologies used to remotely sense and map fires and burned areas and new case studies that shed light on local fire use and management practices, the scientific community still has much to learn about anthropogenic fire regimes. We identify two areas for improvement: first, the fine-scale heterogeneity of fire dynamics for specific regions is often masked by global-scale approaches, and second, barriers between the disciplines focusing on fire impacts ham

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Takim, F. O., J. O. Omeke, P. Tunku, et al. "Evaluation of maize-soybean intercropping systems and fertilizer rates on maize grain yield using competitive indices." Journal of Agricultural Research and Development 18, no. 1 (2020): 63–76. http://dx.doi.org/10.4314/jard.v18i1.8.

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Field trials were conducted in savanna ecologies of Nigeria during the 2015 and 2016 seasons using maize (PVA8) and soybean (TGX 1448-2E) intercropping systems with different fertilizer rates to evaluate the yield of maize and assess the best intercropping system for resource management. Single plant stands and two plants/stand and 2 arrangements of rows (one row on a ridge and two rows on a ridge) were used to impose maize plant densities evaluated in strip inter-crop with soybean. The trial was factorial, laid out in a randomized complete block design and replicated three times. Thus, 8 maiz

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Santana, Níckolas. "Fire Recurrence and Normalized Difference Vegetation Index (NDVI) Dynamics in Brazilian Savanna." Fire 2, no. 1 (2018): 1. http://dx.doi.org/10.3390/fire2010001.

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Fire is one of the main modeling agents of savanna ecosystems, affecting their distribution, physiognomy and species diversity. Changes in the natural fire regime on savannas cause disturbances in the structural characteristics of vegetation. Theses disturbances can be effectively monitored by time series of remote sensing data in different terrestrial ecosystems such as savannas. This study used trend analysis in NDVI (Normalized Difference Vegetation Index)–MODIS (Moderate Resolution Imaging Spectroradiometer) time series to evaluate the influence of different fire recurrences on vegetation

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Winter, W. H. "Australia's Northern Savannas: A Time for Change in Management Philosophy." Journal of Biogeography 17, no. 4/5 (1990): 525. http://dx.doi.org/10.2307/2845386.

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Radford, Ian J., and Richard Fairman. "Fauna and vegetation responses to fire and invasion by toxic cane toads (Rhinella marina) in an obligate seeder-dominated tropical savanna in the Kimberley, northern Australia." Wildlife Research 42, no. 4 (2015): 302. http://dx.doi.org/10.1071/wr14259.

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Context Changed fire regimes are an important threatening process to savanna biodiversity. Fire-sensitive vegetation such as pindan and its fauna may be particularly susceptible to fire impacts. Invasion by alien species is an additional threatening process. The toxic anuran Rhinella marina is a well publicised invader of savannas. Little is known of impacts in many habitats. Aims To test the hypotheses (1) that fire responses among pindan fauna are greater than general savanna responses, and (2) that cane toad-invasion impacts will be reduced relative to riparian habitats. Methods Reptiles, f

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Butz, Ramona J. "Traditional fire management: historical fire regimes and land use change in pastoral East Africa." International Journal of Wildland Fire 18, no. 4 (2009): 442. http://dx.doi.org/10.1071/wf07067.

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Although there is considerable research on the ecological effects of fire in sub-Saharan Africa, research on traditional fire practices is very limited and the consequences of substantial changes to historical fire regimes have not been adequately explored. The present paper examines historic and contemporary uses of fire as a land management tool among Maasai pastoralists in northern Tanzania and explores the potential impacts of changing fire management and fire suppression on savanna vegetation. Village members were interviewed about historical and current practices, reasons for burning, th

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Hunter, Frederick D. L., Edward T. A. Mitchard, Peter Tyrrell, and Samantha Russell. "Inter-Seasonal Time Series Imagery Enhances Classification Accuracy of Grazing Resource and Land Degradation Maps in a Savanna Ecosystem." Remote Sensing 12, no. 1 (2020): 198. http://dx.doi.org/10.3390/rs12010198.

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In savannas, mapping grazing resources and indicators of land degradation is important for assessing ecosystem conditions and informing grazing and land management decisions. We investigated the effects of classifiers and used time series imagery—images acquired within and across seasons—on the accuracy of plant species maps. The study site was a grazed savanna in southern Kenya. We used Sentinel-2 multi-spectral imagery due to its high spatial (10–20 m) and temporal (five days) resolution with support vector machine (SVM) and random forest (RF) classifiers. The species mapped were important f

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Russell-Smith, Jeremy, Andrew C. Edwards, Kamaljit K. Sangha, Cameron P. Yates, and Mark R. Gardener. "Challenges for prescribed fire management in Australia’s fire-prone rangelands – the example of the Northern Territory." International Journal of Wildland Fire 29, no. 5 (2020): 339. http://dx.doi.org/10.1071/wf18127.

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Northern Australia comprises by far the most fire-prone-half of a fiery continent, where fire frequencies range from annual in the tropical savannas to periodic very-extensive fire events following above-rainfall conditions in the central Australian rangelands. As illustration of the challenges facing effective fire management in Australia’s 5.7×106km2 rangelands, we examine the status of contemporary prescribed burning activities in the Northern Territory, a 1.4×106km2, very sparsely settled (0.18 persons km−2) jurisdiction characterised by vast flammable landscapes, few barriers to fire-spre

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Whitehead, Peter J., Jeremy Russell-Smith, and Cameron Yates. "Fire patterns in north Australian savannas: extending the reach of incentives for savanna fire emissions abatement." Rangeland Journal 36, no. 4 (2014): 371. http://dx.doi.org/10.1071/rj13129.

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Anthropogenic fires in Australia’s fire-prone savannas produce up to 3% of the nation’s accountable greenhouse gas (GHG) emissions. Incentives to improve fire management have been created by a nationally accredited savanna burning emissions abatement methodology applying to 483 000 km2 of relatively high-rainfall (>1000 mm p.a.) regions. Drawing on 15 years of fire mapping, this paper assesses appropriate biophysical boundaries for a savanna burning methodology extended to cover lower-rainfall regions. We examine a large random sample of points with at least 300 mm of annual rainfall, to sh

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Wolter, Peter T., Elizabeth A. Berkley, Scott D. Peckham, and Aditya Singh. "Satellite-Based Management Tool for Oak Savanna Ecosystem Restoration." Journal of Fish and Wildlife Management 5, no. 2 (2014): 252–69. http://dx.doi.org/10.3996/022013-jfwm-010.

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Abstract The structure and function of oak Quercus spp. savanna ecosystems in the North American Midwest were originally maintained by an active disturbance regime (often fire). Subsequent reductions in the frequency of disturbance after European settlement have facilitated rapid, regional conversion of these ecosystems to more closed-canopy forest. Hence, regional-scale management strategies are now needed to restore critical spatial gradients of light, temperature, soil moisture, and soil organic matter for recovery and sustenance of the unique mosaic of understory grass and forb species ass

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Eriksen, S. H., and H. K. Watson. "The sustainability of southern African savannas." Environmental Science & Policy 12, no. 1 (2009): 1–4. http://dx.doi.org/10.1016/j.envsci.2008.10.010.

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Preece, Noel. "Traditional and ecological fires and effects of bushfire laws in north Australian savannas." International Journal of Wildland Fire 16, no. 4 (2007): 378. http://dx.doi.org/10.1071/wf05079.

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Landscape fires are common and frequent across the north Australian savannas, and are arguably an essential component of regional ecosystem dynamics. Seasonal biases in fire regimes and the high frequency of late dry season fires in a large proportion of the region have been presented as an impediment to appropriate land management. Legislation regulating the lighting of fires applies to the whole of the savannas. The legislation seeks to control the lighting of fires, provides for permit systems to operate in each jurisdiction, and is supported by policies and guidance manuals. The present pa

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McKemey, Michelle, Emilie Ens, Yugul Mangi Rangers, Oliver Costello, and Nick Reid. "Indigenous Knowledge and Seasonal Calendar Inform Adaptive Savanna Burning in Northern Australia." Sustainability 12, no. 3 (2020): 995. http://dx.doi.org/10.3390/su12030995.

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Indigenous fire management is experiencing a resurgence worldwide. Northern Australia is the world leader in Indigenous savanna burning, delivering social, cultural, environmental and economic benefits. In 2016, a greenhouse gas abatement fire program commenced in the savannas of south-eastern Arnhem Land in the Northern Territory, managed by the Indigenous Yugul Mangi rangers. We undertook participatory action research and semi-structured interviews with rangers and Elders during 2016 and 2019 to investigate Indigenous knowledge and obtain local feedback about fire management. Results indicat

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San José, Jose J., and Rubén A. Montes. "Management effects on carbon stocks and fluxes across the Orinoco savannas." Forest Ecology and Management 150, no. 3 (2001): 293–311. http://dx.doi.org/10.1016/s0378-1127(00)00588-0.

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Scheiter, Simon, Steven I. Higgins, Jason Beringer, and Lindsay B. Hutley. "Climate change and long-term fire management impacts on Australian savannas." New Phytologist 205, no. 3 (2014): 1211–26. http://dx.doi.org/10.1111/nph.13130.

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Ludwig, John A. "SHRUBKILL: A Decision Support System for Management Burns in Australian Savannas." Journal of Biogeography 17, no. 4/5 (1990): 547. http://dx.doi.org/10.2307/2845389.

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Russell-Smith, Jeremy, Brett P. Murphy, C. P. (Mick) Meyer, et al. "Improving estimates of savanna burning emissions for greenhouse accounting in northern Australia: limitations, challenges, applications." International Journal of Wildland Fire 18, no. 1 (2009): 1. http://dx.doi.org/10.1071/wf08009.

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Although biomass burning of savannas is recognised as a major global source of greenhouse gas emissions, quantification remains problematic with resulting regional emissions estimates often differing markedly. Here we undertake a critical assessment of Australia’s National Greenhouse Gas Inventory (NGGI) savanna burning emissions methodology. We describe the methodology developed for, and results and associated uncertainties derived from, a landscape-scale emissions abatement project in fire-prone western Arnhem Land, northern Australia. The methodology incorporates (i) detailed fire history a

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Reinhardt, Jason R., Linda M. Nagel, Christopher W. Swanston, and Heather Keough. "Community-Level Impacts of Management and Disturbance in Western Michigan Oak Savannas." American Midland Naturalist 177, no. 1 (2017): 112–25. http://dx.doi.org/10.1674/0003-0031-177.1.112.

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VALENTINE, LEONIE E., and LIN SCHWARZKOPF. "Effects of Weed-Management Burning on Reptile Assemblages in Australian Tropical Savannas." Conservation Biology 23, no. 1 (2009): 103–13. http://dx.doi.org/10.1111/j.1523-1739.2008.01074.x.

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Edwards, Andrew, Jeremy Russell-Smith, and Mick Meyer. "Contemporary fire regime risks to key ecological assets and processes in north Australian savannas." International Journal of Wildland Fire 24, no. 6 (2015): 857. http://dx.doi.org/10.1071/wf14197.

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Despite the intact appearance of relatively unmodified north Australian savannas, mounting evidence indicates that contemporary fire regimes characterised by frequent, extensive and severe late dry season wildfires are having deleterious effects on a range of regional water, soil erosion, biodiversity conservation and greenhouse gas (GHG) emissions values. For the high rainfall (>1000 mm year–1) savannas (426 000 km2), we assessed the spatial effects of contemporary fire regimes within the context of ecosystem response models and three plausible alternative fire management scenarios on ecos

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Duncan, Neil A., Nicholas J. D. Loughlin, John H. Walker, Emma P. Hocking, and Bronwen S. Whitney. "Pre-Columbian fire management and control of climate-driven floodwaters over 3,500 years in southwestern Amazonia." Proceedings of the National Academy of Sciences 118, no. 40 (2021): e2022206118. http://dx.doi.org/10.1073/pnas.2022206118.

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In landscapes that support economic and cultural activities, human communities actively manage environments and environmental change at a variety of spatial scales that complicate the effects of continental-scale climate. Here, we demonstrate how hydrological conditions were modified by humans against the backdrop of Holocene climate change in southwestern Amazonia. Paleoecological investigations (phytoliths, charcoal, pollen, diatoms) of two sediment cores extracted from within the same permanent wetland, ∼22 km apart, show a 1,500-y difference in when the intensification of land use and mana

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Costa, Newton de Lucena, Liana Jank, João Avelar Magalhães, Amaury Burlamaqui Bendahan, Braz Henrique Nunes Rodrigues, and Francisco José de Seixas Santos. "Forage yield and morphogenesis of Megathyrsus maximus cultivars in Roraimas’s savannas." Research, Society and Development 9, no. 8 (2020): e652986054. http://dx.doi.org/10.33448/rsd-v9i8.6054.

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In order to evaluate the forage productivity and the morphogenic and structural characteristics of Megathyrsus maximus cultivars (Massai, Mombasa, Kenya, Tamani, Tanzania and Zuri), an experiment was conduct under natural environmental conditions in the savannahs of Roraima. The highest yields of green dry matter (GDM) were found with cultivars Zuri (4,317 kg ha-1) and Mombasa (4,115 kg ha-1), followed by Kenya (3,868 kg ha-1) and Tamani (3,755 kg ha-1), while Massai (3,341 kg ha-1) and Tanzania (3,225 kg ha-1) were the least productive. GDM yield was directly correlated with LAI and inversely

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Grabner, Keith W., John P. Dwyer, and Bruce E. Cutter. "Fuel Model Selection for BEHAVE in Midwestern Oak Savannas." Northern Journal of Applied Forestry 18, no. 3 (2001): 74–80. http://dx.doi.org/10.1093/njaf/18.3.74.

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Abstract BEHAVE, a fire behavior prediction system, can be a useful tool for managing areas with prescribed fire. However, the proper choice of fuel models can be critical in developing management scenarios. BEHAVE predictions were evaluated using four standardized fuel models that partially described oak savanna fuel conditions: Fuel Model 1 (Short Grass), 2 (Timber and Grass), 3 (Tall Grass), and 9 (Hardwood Litter). Although all four models yielded regressions with R2 in excess of 0.8, Fuel Model 2 produced the most reliable fire behavior predictions. North. J. Appl. For. 18(3):74–80.

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Tassicker, A. L., A. S. Kutt, E. Vanderduys, and S. Mangru. "The effects of vegetation structure on the birds in a tropical savanna woodland in north-eastern Australia." Rangeland Journal 28, no. 2 (2006): 139. http://dx.doi.org/10.1071/rj05029.

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Management of the dynamics of woody vegetation in Australia’s tropical savannas is a vexing issue for both pastoralists and conservation biologists. In savanna regions around the world, increasing density of woody vegetation contributes to declines in pastoral productivity, but its effects on native fauna are largely unknown. In this paper we examine the avifauna in savanna woodlands of varying structure in the Desert Uplands bioregion, Queensland. Vegetation cover maps derived from aerial photographs were used to choose 60 sites, across 4 cattle stations. We sampled sites mapped at 30–45% and

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Russell-Smith, Jeremy, Cameron P. Yates, Peter J. Whitehead, et al. "Bushfires 'down under': patterns and implications of contemporary Australian landscape burning." International Journal of Wildland Fire 16, no. 4 (2007): 361. http://dx.doi.org/10.1071/wf07018.

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Australia is among the most fire-prone of continents. While national fire management policy is focused on irregular and comparatively smaller fires in densely settled southern Australia, this comprehensive assessment of continental-scale fire patterning (1997–2005) derived from ~1 km2 Advanced Very High Resolution Radiometer (AVHRR) imagery shows that fire activity occurs predominantly in the savanna landscapes of monsoonal northern Australia. Statistical models that relate the distribution of large fires to a variety of biophysical variables show that, at the continental scale, rainfall seaso

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