Relevant bibliographies by topics / Northern Jarrah Forest Reserve

Academic literature on the topic 'Northern Jarrah Forest Reserve'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Northern Jarrah Forest Reserve"

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Dundas, Shannon J. "Tell-tale testicles: observations of morphological abnormalities in small, spatially restricted mainland quokka (Setonix brachyurus) populations." Australian Mammalogy 41, no. 1 (2019): 150. http://dx.doi.org/10.1071/am17045.

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The quokka (Setonix brachyurus) exists in spatially restricted populations in the northern jarrah forest in south-west Western Australia. Observations were made of adult male quokkas exhibiting morphological anomalies (cryptorchidism and micropthalmia) that may be indicative of inbreeding within these populations. Despite the presence of males with abnormalities that could potentially affect their fertility, most females captured were carrying a pouch young or feeding a joey at foot. Field researchers and managers should routinely report abnormalities seen in wild captured animals. Reduced genetic diversity of quokka populations in the northern jarrah forest may not be the key threatening process and preservation of habitat may be more important to ensure persistence of populations. Future management of this species in the northern jarrah forest should include up-to-date occurrence mapping across their range using targeted camera trap surveys and management of habitat to improve connectivity between populations.
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Stoneman, G. L. "Wood generated by thinning in the northern jarrah forest." Australian Forestry 49, no. 2 (January 1986): 115–21. http://dx.doi.org/10.1080/00049158.1986.10674473.

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Abbott, I. "Distribution of introduced earthworms in the norhtern jarrah forest of Western Australia." Soil Research 23, no. 2 (1985): 263. http://dx.doi.org/10.1071/sr9850263.

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Five species of introduced earthworm were recorded in the northern jarrah forest of Western Australia during 1980-83. These are Aporrectodea trapezoides (Duges), A. caliginosa (Savigny), Eisenia fetida (Savigny), Octolasion cyaneum (Savigny) (all Lumbricidae) and Microscolex dubius (Fletcher) (Megascolecidae). A. trapezoides was recorded most frequently. These introduced species occur within the forest only where there has been major disturbance, especially where forest has been replaced by pasture, orchards or settlement. They have not been recorded in forest that has been logged or in plantations of exotic trees. Introduced species of earthworm were frequently found in association with indigenous species. Most individuals of A. trapezoides kept in jarrah forest soil in the laboratory lost weight over 30 days, in contrast to an indigenous species of earthworm. How and when earthworm species were introduced is discussed in terms of the early European history of the jarrah forest.
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Majer, Jonathan D., Harry F. Recher, Christopher Norwood, and Brian E. Heterick. "Variation in bird assemblages and their invertebrate prey in eucalypt formations across a rainfall gradient in south-west Australia." Pacific Conservation Biology 23, no. 4 (2017): 372. http://dx.doi.org/10.1071/pc17024.

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Our previous work has shown how invertebrate food resources influence usage of tree species by birds. Using data from Western Australian forests and woodlands, we extend the findings to indicate how the avifauna is influenced by these resources at the landscape level. The northern dry sclerophyll forest of south-west Australia comprises jarrah (Eucalyptus marginata) to the west, with an abrupt replacement by wandoo (E. wandoo) plus powderbark wandoo (E. accedens) woodland to the east; codominant marri (Corymbia calophylla) trees occur throughout. Knockdown samples have previously indicated that the canopy invertebrate fauna is richer and more abundant in wandoo woodland than in jarrah/marri forest. To provide an indication of their general abundance and diversity in these formations, invertebrates using the trunks of the ubiquitous marri were measured along a transect from jarrah/marri forest to wandoo woodland. Mirroring the canopy, the trunk fauna had high species turnover over short distances. As with the canopy fauna, invertebrate diversity and abundance was higher on marri situated in the wandoo zone than in the jarrah/marri areas, indicating a generally larger invertebrate fauna in the drier regions of the transect. Abundance and diversity of birds, many of which are wholly or partly insectivorous, were measured at the same sites. Birds were more abundant and there were more species in areas with the wandoo species than in those dominated by jarrah/marri. Assemblage composition also differed in the two forest types. It is evident that changes in bird abundance, richness, and assemblage composition are likely determined on a landscape scale by the type, abundance, and diversity of food resources available to them. These patterns of change within forest invertebrate faunas and their primary vertebrate predators need to be considered when making decisions on conserving or managing forest communities in Australia.
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VLAHOS, STEPHEN, and DAVID T. BELL. "Soil seed-bank components of the northern jarrah forest of Western Australia." Austral Ecology 11, no. 2 (June 1986): 171–79. http://dx.doi.org/10.1111/j.1442-9993.1986.tb01388.x.

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Bell, DT, S. Vlahos, and LE Watson. "Stimulation of Seed-Germination of Understorey Species of the Northern Jarrah Forest of Western-Australia." Australian Journal of Botany 35, no. 5 (1987): 593. http://dx.doi.org/10.1071/bt9870593.

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Glasshouse trials in trays of soil measured the germination response to high temperatures and the presence of charcoal in 40 non-leguminous understorey species of the northern jarrah (Eucalyptus marginata Donn ex Smith) forest. Species producing relatively low proportions of viable and germinable seeds tended to be the long-lived resprouting species where reproductive output may not be of major adaptive significance. Three species, Conostylis setosa, Trymalium ledifolium and T. spathulaturn, with seed stored in the soil, were stimulated to germinate by high temperatures. Bradysporous, obligate reseeding species showed either no temperature effect (mainly species of Dryandra) or death at high temperatures (species of Hakea, whose seeds normally are protected by woody fruits). Charred wood of Eucalyptus marginata induced an increase in the proportion of Burchardia umbellata germinating under the test conditions. Relationships of the seed germination results to aspects of r- and K- selection theory and fire management policy in the northern jarrah forest are also discussed.
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Bunn, Stuart E. "Aspects of the functional organization of streams of the northern jarrah forest, Western Australia." SIL Proceedings, 1922-2010 23, no. 3 (October 1988): 1388. http://dx.doi.org/10.1080/03680770.1987.11898027.

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Dundas, Shannon J., Peter J. Adams, and Patricia A. Fleming. "Population monitoring of an endemic macropod, the quokka (Setonix brachyurus), in the northern jarrah forest, Western Australia." Australian Mammalogy 40, no. 1 (2018): 26. http://dx.doi.org/10.1071/am16033.

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Monitoring populations of threatened species plays a part in continued conservation and contributes to assessment of how effective management actions are. We estimated population indices and studied cohort demographics of mainland populations of quokkas (Setonix brachyurus) at 14 sites across the northern jarrah forest. One site is currently monitored through annual trapping, seven were intensively surveyed a decade previously, while six sites had no previous monitoring. Across the 14 study sites, no quokkas were detected at one site and the other population estimates ranged from 5 to 25 adults. Most females (86% of capture events) carried a pouch young or were lactating (indicating a young at foot). Quokka populations at the eight previously-surveyed sites showed variable population changes. We discuss likely contributing factors, including broad-scale fox baiting and fire. Comparative studies of native species over time are important; however, such comparison has limited capacity to explain population changes without comparable methods or where relevant contributing factors (e.g. predator numbers, habitat change) have not likewise been monitored. The threat of changing climate in the northern jarrah forest (where increasing temperatures and greater frequency of drought have been witnessed over the last decades) and implications for control of fire regimes increases the urgency for an updated review of quokka populations to guide appropriate management actions.
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McDougall, K. L., R. J. Hobbs, and G. E. St Hardy. "Vegetation of Phytophthora cinnamomi-infested and adjoining uninfested sites in the northern jarrah (Eucalyptus marginata) forest of Western Australia." Australian Journal of Botany 50, no. 3 (2002): 277. http://dx.doi.org/10.1071/bt01096.

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The vegetation of seven sites in the northern jarrah forest of Western Australia infested with Phytophthora cinnamomi was recorded and compared with adjoining vegetation. The number of species per quadrat was found to be the same in vegetation affected by P. cinnamomi as in healthy vegetation, although there were more species overall in affected vegetation. Vegetation of uninfested sites had a higher cover and more species per quadrat of trees and shrubs and lower cover and fewer species per quadrat of annual plants than vegetation of infested sites. Although many species that are known to be highly susceptible to infection by P. cinnamomi were rare at infested sites, only two (Banksia grandis and Tetratheca hirsuta) were absent from all of the 50-year-old infested parts of sites. Several species that are known to be highly susceptible to infection by P. cinnamomi were as common at infested as at healthy sites. The presence of such species at infested sites and the capacity of P. cinnamomi to infect species it does not kill suggest that this pathogen will persist and continue to influence future vegetation in the jarrah forest.
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Abbott, I. "Influence of some environmental factors on indigenous earthworms in the northern jarrah forest of Western Australia." Soil Research 23, no. 2 (1985): 271. http://dx.doi.org/10.1071/sr9850271.

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Indigenous species of earthworms (Family Megascolecidae) are widely distributed throughout the northern jarrah forest of Western Australia. They occur not at random, but in an aggregated pattern well described by a negative binomial. Earthworms are only active in the topsoil (to depth of 5.5 cm) when soil moisture (gravimetric) exceeds 4%. This occurs from May until November. The number of species occurring in jarrah forest at any place, and the frequency of occurrence, biomass and density of earthworms, vary with average annual rainfall. In the zone of highest rainfall six or seven species occur together, frequency of occurrence is 40-60%, and total biomass and total density do not exceed 8 g m-2 and 40 m-2 respectively, and generally average much less. In the lowest rainfall zone only one or two species occur in any one locality, with total density much less than 10 m-2. Multiple regression analyses between four earthworm variables and 20 site and soil characteristics were highly successful in that up to three predictor variables yielded coefficients of determination exceeding 0.70. The most useful predictor variables were rainfall zone, forest basal area, soil pH and proportion of silt and clay in the topsoil (to depth of 15 cm). Recurrent low intensity (spring) fires and a single moderate intensity fire (summer) have minor direct and indirect effects on earthworms. Logging also has scant effect on their frequency of occurrence. The land use most adverse to earthworms is the clearing of forest for mining of bauxite or gravel. The effect on earthworms of clearing of forest and subsequent reforestation with pines varies: in one case there was an adverse effect, whereas in two others there was no difference.
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Dissertations / Theses on the topic "Northern Jarrah Forest Reserve"

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Hayward, Matt School of Biological Earth &amp Environmental Science UNSW. "The ecology of the quokka (Setonix brachyurus) (Macropodidae: Marsupialia) in the Northern Jarrah Forest of Australia." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Science, 2002. http://handle.unsw.edu.au/1959.4/18768.

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The quokka (Setonix brachyurus Quoy & Gaimard 1830) is a medium-sized, macropodid marsupial that is endemic to the mesic, south-western corner of Australia. While being a tourist icon on Rottnest Island, the species is threatened with extinction. It has been intensively studied on Rottnest Island in the 1960s and 1970s, however very little is known of its ecology on the mainland. Additionally the insular and mainland environments are extremely different suggesting that ecological differences between the two populations are likely. Consequently, this study sought to determine the basic autecology of the quokka and identify what factors have attributed to its threatened conservation status. The northern jarrah forest of Western Australia was selected as the study region due to it being at the northern limit of extant quokka distribution and because it was thought that the factors threatening the quokka would be exacerbated there. Fossil deposits suggest that the quokka originally occupied an area of approximately 49,000 km2 in the south-western corner of Australia. Historical literature show that they were widespread and abundant when Europeans colonised the region in 1829 but a noticeable and dramatic decline occurred a century later. The arrival of the red fox to the region coincided almost exactly with this decline and so it was probably ultimately responsible. Continued predation by both it and the feral cat are likely to have continued the decline, along with habitat destruction and modification through altered fire regimes. Specific surveys and literature searches show that since the 1950s, the area occupied by the quokka has declined by 45% and since 1990 by 29%. Based on the criteria of the IUCN (Hilton-Taylor 2000), the conservation status of the quokka should remain as vulnerable. An endangered status may be more applicable if the quokkas restriction to patches through its existence as a metapopulation is considered. Trapping of eight sites supporting quokka populations in the mid-1990s revealed three sites now locally extinct despite the ongoing, six year old, fox control programme. Another three are at serious risk of extinction. Extant population sizes ranged from one to 36 and population density ranged from 0.07 to 4.3 individuals per hectare. This is considered to be below the carrying capacity of each site. The overall quokka population size in the northern jarrah forest may be as low as 150 adult individuals, of which half are likely to be female. Even the largest extant populations are highly susceptible to stochastic extinction events. This small size was surprising considering the six year old, introduced predator control programme. Historically, the restriction to discrete habitat patches, the occasional inter-patch movement, the lack of correlation between the dynamics of each population and reports of frequent localised extinctions and colonisations suggest that the quokka population once existed as part of a classic metapopulation. The massive decline of the quokka in the 1930s pushed the metapopulation structure into a non-equilibrium state such that today, the extant populations are the terminal remnants of the original classic metapopulation. Wild mainland quokkas breed throughout the year. A significant reduction in the number of births occurs over summer and this coincides with a decline in female body weight. Despite this, the mainland quokka is relatively fecund and is able to wean two offspring per year. The level of recruitment from pouch young to independence was low and this may explain the apparent lack of population increase following the initiation of fox control. A total of 56 trapped quokkas were fitted with a radio collar. Mean home range size for quokkas was 6.39 ha with a core range of 1.21 ha and this was negatively related to population density. Male home ranges were larger than females but not significantly when the sexual size dimorphism was considered. Nocturnal ranges were larger than diurnal ranges reflecting nocturnal departures from the swamp refugia. Home range sizes varied seasonally, probably due to changes in the distance required to move to obtain sufficient nutrients and water over the dry summer compared to the wet winter and spring. Telemetry confirmed trapping results that showed no movement between swamps or populations. Home range centres shifted to the periphery of the swamp following the winter inundation and this may increase the species susceptibility to predation. The lack of dispersal is probably caused by quokka populations existing below carrying capacity and following selection for philopatry under the threat of predation for dispersing individuals. Without dispersal to recolonise or rescue unpopulated patches, the collapse of the original quokka metapopulation appears to have occurred. On a macrohabitat scale, the quokka in the northern jarrah forest is restricted to Agonis swamp shrubland habitats that form in the open, upper reaches of creek systems on the western side of the forest. This restriction was probably initially due to the high water requirements of the quokka but is likely to have been exacerbated by increased predation pressure since the arrival of the fox. On a microhabitat scale, the quokka is a habitat specialist, preferring early seral stage swamp habitats, probably for foraging, as part of a mosaic of old age swamp that provides refuge. Despite the six year old, introduced predator control programme, foxes and cats are still the major cause of mortality to quokkas. Road kills was the other identifiable cause. Individuals alive at the start of the study had an 81% chance of staying alive until the end. The likelihood of dying was minimised by grouping together with conspecifics, maximising home range size and maximising the time spent within the swampy refuge. Current rates of adult and juvenile survivorship should allow population recovery and so it seems pouch young mortality, reflected by low recruitment, has inhibited the anticipated population increase following predator control. The confounding effect of inadequate unbaited controls meant that little statistical evidence was available on the impact of introduced predators on the quokka, however the models provided support for earlier hypotheses of these. The presence of a quokka population at a site was related to the amount of poison baits delivered ??? reflecting predation pressure, the average age of the swamp and a mosaic of early and late seral stages within the swamp habitat. Recently burnt habitat is thought to provide food for quokkas and long unburnt habitat provides refuge from predation.
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Watson, Alexander William Thomas. "A comparison of logging and fire disturbance on biophysical attributes of the northern jarrah forest." Connect to thesis, 2006. http://portal.ecu.edu.au/adt-public/adt-ECU2006.0041.html.

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Lema, Ufoo Christopher. "Forest resource management for sustainable development : a case of Mount Meru Forest Reserve in Northern Tanzania." Master's thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/13885.

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Bibliography: p. 155-161.
Management systems as applied to most of the world's tropical forests are anthropocentric. In view of this, conservation of these ecosystems has been threatened by overuse and pressure of exotic monocultures. Sustainable forest development aims at utilizing the forest resource without unduly degrading the forest ecosystems. This study examines the case of Mount Meru forest reserve, a tropical montane rainforest in northern Tanzania. The main aim of the study is to investigate human induced causes of forest degradation and to propose ways to improve the forest management so as to attain sustainable forest development. The study is based on survey data obtained from the study area through semi-structured interviews conducted with 198 key informats. Social study methods have been used for data analysis and interpretation.
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Lubbe, Richard Andrew. "Vegetation and flora of the Kosi Bay Coastal Forest Reserve in Maputaland, northern KwaZulu-Natal, South Africa." Diss., University of Pretoria, 1996. http://hdl.handle.net/2263/80111.

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The vegetation of the Kosi Bay Coastal Forest Reserve was classified by means of Braun-Blanquet and TWINSPAN procedures. Twelve major plant communities were identified, occurring along a gradient from the inland fresh water habitats, to the beach with influences from strong winds and salt spray. Some of these communities were further divided into plant communities and sub-communities giving a total of 27 plant communities and three sub-communities. A vegetation map was compiled for the study area using Geographical Information System procedures. Veld condition was good and the grazing capacity high ranging between 2.9 and 5.6 ha/LSU (cattle). A checklist of 1 164 vascular plant species collected in the study area was compiled. The distribution of 71 plant species endemic to the Maputaland Centre of Endemism was related to plant communities. The coastal grassland communities were prioritized for conservation, as a large number of Maputaland Centre endemics are restricted to these communities.
Dissertation (MSc)--University of Pretoria, 1996.
Plant Science
MSc
Unrestricted
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Hayward, Matt. "The ecology of the quokka (Setonix brachyurus) (Macropodidae: Marsupialia) in the Northern Jarrah Forest of Australia /." 2002. http://www.library.unsw.edu.au/~thesis/adt-NUN/public/adt-NUN20030325.154836/index.html.

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Hayward, Matt. "The ecology of the quokka (Setonix brachyurus) (Macropodidae:Marsupialia) in the northern jarrah forest of Australia." 2002. http://www.library.unsw.edu.au/%7Ethesis/adt-NUN/public/adt-NUN20030325.154836/.

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Thesis (Ph. D.)--University of New South Wales, 2002.
Title from PDF title page (viewed Sept. 19, 2007). Made available through Australian Digital Theses Program. Includes bibliographical references.
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Kywe, Tin Zar. "Habitat Suitability Modeling for Tiger (Panthera tigris) in the Hukaung Valley Tiger Reserve, Northern Myanmar." Doctoral thesis, 2012. http://hdl.handle.net/11858/00-1735-0000-000D-F05C-E.

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Books on the topic "Northern Jarrah Forest Reserve"

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Abbott, Ian. Ecology of jarrah (Eucalyptus marginata) in the northern jarrah forest of Western Australia. Perth, W.A: Dept. of Conservation and Land Management, 1986.

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Service, United States Forest. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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Jamie, Benidickson, ed. The Temagami experience: Recreation, resources, and aboriginal rights in the northern Ontario wilderness. Toronto: University of Toronto Press, 1989.

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United States. Bureau of Land Management. Salem District. and U.S. Fish and Wildlife Service. Region 1., eds. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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United States. Bureau of Land Management. Salem District. and U.S. Fish and Wildlife Service. Region 1., eds. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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United States. Bureau of Land Management. Salem District and U.S. Fish and Wildlife Service. Region 1, eds. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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United States. Bureau of Land Management. Salem District and U.S. Fish and Wildlife Service. Region 1, eds. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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United States. Bureau of Land Management. Salem District. and U.S. Fish and Wildlife Service. Region 1., eds. Late-successional reserve assessment for Oregon's northern Coast Range adaptive management area. Corvallis, Or: Siuslaw National Forest, 1998.

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Book chapters on the topic "Northern Jarrah Forest Reserve"

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Havel, J. J. "Conservation in the northern jarrah forest." In The Jarrah Forest, 379–99. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-3111-4_20.

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Churchward, H. M., and G. M. Dimmock. "The soils and landforms of the northern jarrah forest." In The Jarrah Forest, 13–21. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-3111-4_2.

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Mills, Jenny. "The impact of man on the northern jarrah forest from settlement in 1829 to the Forests Act 1918." In The Jarrah Forest, 229–79. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-3111-4_15.

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Klepeis, Peter. "Forest Extraction to Theme Parks: The Modern History of Land Change." In Integrated Land-Change Science and Tropical Deforestation in the Southern Yucatan. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780199245307.003.0011.

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Modern-day deforestation in the southern Yucatán peninsular region began in earnest in the late 1960s. The composition of the region’s forest and options for land uses, however, were partly shaped by eighty years of activity leading up to the 1960s, just as it was by the ancient Maya over a millennium ago (Ch. 2). Most of the modern impacts began in the twentieth century and are traced here through three major episodes of use and occupation of the region: forest extraction, 1880–1983; big projects and forest clearing, 1975–82; and land-use diversification, conservation, and tourism, 1983 to the present. Each episode corresponds to different visions of how the region should be used and to different human–environment conditions shaping the kind, location, and magnitude of land change. Understanding these changing conditions underpins all other assessments of the SYPR project. The episode of forest extraction spans the bulk of the modern history of the region. It began in the late nineteenth century and ended with the demise of parastatal logging companies in the 1970s and early 1980s, due primarily to the depletion of reserves of mahogany and Spanish cedar throughout the region. Before this episode fully expired, a new one, that of big projects and forest clearing began, marked by large-scale rice and cattle schemes undertaken in the mid to late 1970s and early 1980s. This episode accelerated the road construction that began in the latter part of the 1960s, and it witnessed expanded settlement linked to colonization programs. The Mexican debt crisis of 1982 brought this episode to an abrupt halt, triggering the search for a new alternative to developing the frontier. This search, made in the context of neoliberal economic reforms, led to the establishment of the Calakmul Biosphere Reserve in 1989 and other, more recent initiatives, defining the most recent episode of land-use diversification, conservation, and tourism. From the collapse of the Classic Maya civilization to the twentieth century, the occupation of the region was sparse (Turner 1990), the forest serving as a refuge during the colonial period for those Maya fleeing Spanish domination along the coasts and in the north, especially during the Caste War of the middle nineteenth century, when the northern Maya revolted against Mexico (Jones 1989).
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Conference papers on the topic "Northern Jarrah Forest Reserve"

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Bishop, Mark Emmanuel, Wilson Lalla, and Xavier Ravi Moonan. "Evaluating the Lower Cruse and Navet Formations Within the Wd-8 Lease Operatorship Block." In SPE Trinidad and Tobago Section Energy Resources Conference. SPE, 2021. http://dx.doi.org/10.2118/200925-ms.

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Abstract Lease Operatorship block WD-8, lies within the Forest Reserve oilfield. Forest Reserve is known for having the ENE-WSW trending, south easterly verging Forest Reserve anticline which plunges into NW-SE trending Los Bajos Fault. Regionally to the south of the Forest Reserve anticline lies the south westerly plunging Siparia syncline and to the north of the Forest Reserve anticline is the Morne L′ Enfer syncline. WD-8 is situated on the northern flank of the Forest Reserve anticline with the axis of the anticline occurring within the southern part of the block. Prior to 2018, TETL last drilled within the WD-8 block in the year 2014. Drilling within the WD-8 block pre-2018 was mainly in the southern portion of the block. The year 2018 saw TETL drill five wells in the northern part of the WD-8 block. The results from these wells prompted an evaluation within the Northern portion of the WD-8 block to determine the structure and extent of the Lower Cruse and Navet reservoirs. Field wide mapping post 2018 drills within the block highlighted the sand trend at the Cruse level is in a WSW-ENE direction and that these sands in northern WD-8 are very narrow with maximum widths ranging between 100 ft – 150 ft. Additionally, it showed that by using a smaller well spacing, wells would encounter different producing sand bodies not seen in adjacent wells. Differences in the sand character between wells in the Southern part of the block to wells in the northern part of the block at the Lower Cruse level were also seen. The Lower Cruse section in the southern part of the WD-8 block tends to have thick stacked slope channel sand deposits, while the northern part of WD-8 has relatively thin stacked slope/base of slope channel deposits. Structurally, the presence of an ENE-WSW fault which separates the southern wells from the northern wells was also revealed. Abnormal stratigraphy was also found in Northern WD-8 where the Eocene Navet formation was encountered below the Late Miocene Lower Cruse formation. Two (2) wells in the northern portion of the block found the Navet formation resistive with only one well testing this reservoir. This then presents a new under exploited target reservoir with the block. Mapping of the Navet Formation indicates that this reservoir trends in a WSW-ENE direction. This updated geological model for the WD-8 block resulted in six infill developmental wells being identified to further exploit the remaining reserves within the Lower Cruse and Navet Formations in the WD-8 block.
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Reports on the topic "Northern Jarrah Forest Reserve"

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Vu, Manh Quang, Hien Thu Lai, and My Tra Ha. Oribatid Mite Community (Acari: Oribatida) in the Mangrove Forest of the Cat Ba Biosphere Reserve, Northern Vietnam. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, August 2019. http://dx.doi.org/10.7546/crabs.2019.08.08.

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