Biodiversity Conservation in Australian Tropical Rangelands

Garnett, Stephen T.; Crowley, Gabriel; Kutt, Alex S.

doi:10.1002/9781444317091.ch8

Cited by 16 publications

(23 citation statements)

References 99 publications

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“…Here, land use practices associated with over-grazing, changed fire regimes and spread of exotic plant and animal species are causing widespread environmental degradation and biodiversity decline and the formal conservation estate is insufficient to safeguard the biodiversity into the future (Garnett et al, 2010;Woinarski et al, 2007b). The vast majority of land is managed by farmers -pastoralists and graziers -who could join the conservation effort by being incentivised to implement on-farm conservation actions and biodiversity-friendly land use practices (Greiner et al, 2009a).…”

Section: Introductionmentioning

confidence: 98%

Motivations and attitudes influence farmers' willingness to participate in biodiversity conservation contracts

Greiner

2015

Agricultural Systems

136

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Section: Introductionmentioning

confidence: 98%

Motivations and attitudes influence farmers' willingness to participate in biodiversity conservation contracts

Greiner

2015

Agricultural Systems

136

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“…Furthermore, they considered tropical cattle as the main producer of methane released to the atmosphere. Other ruminants such as sheep and goats are also common in tropical areas, particularly sheep in the tropical areas of Australia [20]. Goats are particularly important in these ecosystems (15% of world's herbivores) due to the production of meat, milk and leather and their capacity of subsistence under more difficult conditions (e.g., droughts).…”

Section: Neotropical Agroecosystemsmentioning

confidence: 99%

“…Consequently, they serve conclusively to recommend which system is ideal for the preservation of the quality of the soils. One of the most complete works, in this sense, was the one published by Humphreys [112], which addresses the problems of compaction, erosion and fixation of nutrients such as nitrogen, the latter as direct or indirect consequences of defoliation, in addition to changes in botanical composition, in tropical areas of Australia [20].…”

Section: Grazing Systems For Disease Prevention and Animal Welfarementioning

confidence: 99%

“…This increase in meat consumption, coupled with exports to other areas of the world that are also large consumers of meat [15,16] is causing a large amount of land to be allocated to livestock production [17,18]. The environmental consequences as a result of this increase in the numbers of animals and pasture land surface area are well documented [19,20].…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the quality of food is highly related to the state of soil health [26]. A contaminated soil might add toxicity to everything that is grown on it, including the grasses that are naturally generated and this might provide additional negative effects on the ecosystem [20]. Within the scientific field of veterinary medicine, several studies show that the quality, taste and nutritive value of meat and even milk depend directly on the plants that the animals ingest [27].…”

Section: Introductionmentioning

confidence: 99%

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The Impact of Veterinary Medicine and Animal Husbandry on the Biophysical Characteristics of Soils in Neotropical Agroecosystems

et al. 2018

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Abstract:The neotropical agroecosystems are important areas in the global scene in terms of livestock production. Therefore, a good conservation of their soils is crucial in order to both guarantee food safety and reduce the impact of land degradation processes. Conservation of neotropical soils used for farming activities could be obtained using veterinary medicine and adopting new grazing systems in the last decades. A wide bibliographical review was carried out which illustrates current issues in neotropical agroecosystems, the importance of their soil properties highlighting the role played by dung beetles within the edaphofauna, and the effects of the most common anti-parasitic practices as well as some natural alternatives. Finally, we present commonly adopted grazing systems and how they are affecting soil properties and animal welfare. The conversion of forest into agricultural and pasture land is altering the biochemical quality of soils. Furthermore, the use of ivermectin is dangerously reducing the total amount of dung beetles that are a key element in nutrient recycling processes. The implementation of new grazing systems (e.g., Voisin, Savory) is progressively fragmenting the habitat of many species. Nevertheless, there are also some benefits in this kind of practices and some natural alternatives to anthelmintics are being tested.

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Vulnerability of Australian tropical savanna birds to climate change

et al. 2015

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Assessments of species vulnerability to climate change should increase the effectiveness of interventions in the current decline in biodiversity. Species vulnerability to climate change is a consequence of their sensitivity and adaptive capacity, in combination with their exposure to climate change. We apply a vulnerability assessment framework to 243 bird species inhabiting the tropical savannas of northern Australia. We build on previous vulnerability studies by including detailed data for variables relating to species sensitivity to change (relative abundance, clutch size, sensitivity to fire and distribution area), species adaptive capacity (movement behaviour and dietary breadth) and proportional changes predicted for their geographic range (i.e. exposure to climate change). These are integrated to provide a ranking of vulnerability. Our analysis found that birds of Australian tropical savannas cluster together with high sensitivity, with a few wide-ranging increasing species with very low sensitivity. Australian tropical savanna birds have a range of adaptive capacities, and the impact of climate change on these species is predicted to be substantial. Two already endangered species are among the most vulnerable. Species largely restricted to Cape York Peninsula (a geographically distinct region) had the greatest overall vulnerability; these species were, in general, sensitive due to small distributions, sensitivity to fire frequency and had a lower capacity for dispersal. It will be important for the future of Australian tropical savanna birds to mitigate ecological threats and maintain extensive areas of suitable habitat to facilitate species dispersal.

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Biodiversity Conservation in Australian Tropical Rangelands

Cited by 16 publications

References 99 publications

Motivations and attitudes influence farmers' willingness to participate in biodiversity conservation contracts

Motivations and attitudes influence farmers' willingness to participate in biodiversity conservation contracts

The Impact of Veterinary Medicine and Animal Husbandry on the Biophysical Characteristics of Soils in Neotropical Agroecosystems

Vulnerability of Australian tropical savanna birds to climate change

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