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How can we conserve our vegetation and wildlife? 

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With such an ecosystem-based management, biodiversity conservation can be successful while securing wildlife tourism and its revenues.
The integrated management of wildlife and livestock can simultaneously improve human health and wildlife conservation.
Our approach reveals not only where to invest, but which strategies to invest in, in order to effectively and efficiently conserve biodiversity.
Such investment could also help efforts to conserve wildlife.
Open accessJournal ArticleDOI
Rafael Hoogesteijn, Colin A. Chapman 
01 Jan 1997-Oryx
33 Citations
Additional strategies are needed if we are to conserve more than a small proportion of the world's natural habitats and their wildlife.

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What are the impact of Rock falls in environment and people in Ga Chuene?
4 answers
Rock falls in Ga Chuene can have significant environmental and societal impacts. These events can lead to environmental effects such as flyrock, ground vibrations, airblast, dust, noise, and visual alterations, affecting the local ecosystem and landscape. Furthermore, rock falls can pose risks to human lives, livestock, and agricultural production, impacting the livelihoods, economic situation, and food security of the affected population. In the aftermath of rock falls, there may be a need for the relocation of human populations and infrastructure to new areas, resulting in the abandonment of damaged towns and areas, as seen in the aftermath of the Wenchuan earthquake-induced landslides in China. These events highlight the importance of implementing modern extraction techniques, continuous environmental monitoring, and mitigation strategies to minimize the adverse effects of rock falls on both the environment and people in Ga Chuene.
Wit regards to environmental risk, what are exposure assessments and methods?
5 answers
Exposure assessments in environmental risk evaluation involve estimating or measuring the extent, frequency, and duration of exposure to environmental contaminants, considering characteristics of the exposed population. These assessments are crucial for identifying, evaluating, and controlling health risks associated with various environmental stressors. Exposure can occur through ingestion, inhalation, or skin contact with hazardous substances in the environment, leading to a range of adverse health effects. Methods for exposure assessment include direct and indirect approaches, which are essential for understanding the links between environmental factors and disease outcomes. Environmental toxicogenomics utilizes omics technologies to analyze gene expression changes due to exposure to toxic substances, aiding in the identification of biomarkers of exposure and risk.
Why is accra hot?
5 answers
Accra experiences high temperatures due to various factors. The city's location near the Equator and on the east coast of Ghana exposes it to direct sunlight, contributing to its hot and humid climate. Urbanization and land use changes in Accra have intensified the urban heat island effect, leading to increased land surface temperatures, especially in built-up areas, which absorb and retain heat during the day. The rapid population growth and urbanization in Accra have led to a reduction in green spaces, exacerbating the heat island effect. These factors, combined with poor enforcement of development control and inadequate building regulations, have further contributed to the city's high temperatures. Efforts to mitigate these effects include sustainable urban planning and increasing greenery to counteract the heat island effect.
Antropic impact on the vocalization of amphibian species?
5 answers
Anthropogenic noise, such as road traffic and wind turbine vibrations, significantly impacts the vocalization of amphibian species. Studies show that anurans alter their vocalization characteristics in response to high traffic noise levels, with immediate changes observed when traffic noise is introduced. Additionally, the Pacific chorus frog was unable to compensate for road noise, leading to reduced spatiotemporal communication during vocalizations, potentially affecting reproductive success. The metabolic demands of vocalization in Hyla versicolor were found to be among the most energetically expensive activities for anurans, with oxygen consumption increasing linearly with calling rate and call duration. These findings highlight the detrimental effects of anthropogenic noise on amphibian vocalization, emphasizing the need for further research and conservation efforts to mitigate these impacts.
Where in south africa is the geohazards located?
4 answers
Geohazards in South Africa are prevalent in various regions due to factors like mining activities, sinkholes, seismic events, and coastal erosion. The country's rich mining history has led to geohazard risks in areas like Johannesburg, Ermelo, and dolomitic formations. Sinkholes, particularly in dolomite-rich regions like Gauteng Province, significantly impact land development and necessitate strict regulations. Additionally, 'home-made' earthquakes from mining activities, sinkholes, landslides, flooding, and coastal erosion pose significant geohazard risks across the country. The development of a National Geohazard System aims to address these risks by utilizing geological information to manage hazards effectively, especially in the face of urbanization and increasing infrastructure complexity. Overall, South Africa faces diverse geohazards that require careful consideration and management for sustainable development.
What are the key factors that contribute to the experiences of individuals involved in land conflicts?
5 answers
The experiences of individuals involved in land conflicts are influenced by various factors. These include the types of conflicts present, such as those related to housing, environmental conservation, and traffic. Additionally, factors like boundary encroachment, land eviction, inherited land conflicts, and contract breaches contribute to inter-household conflicts over farmland. Furthermore, the transition from reflective participation during land occupancy to adaptation in settled conditions can lead to disagreements and conflicts within movements advocating for land reform. Moreover, the overarching issue of lack of access to land and failures to protect land rights underlie tensions and conflicts related to land use, especially with the increasing demands and competition for land resources.
What are exposure assessment methods?
5 answers
Exposure assessment methods encompass a range of approaches used to quantify the magnitude, frequency, and duration of exposure to contaminants or chemicals in various contexts. These methods vary in complexity and detail, with deterministic models relying on single values for input parameters. As assessments progress to higher tiers, more sophisticated models are employed to better approximate exposure distributions within populations, often utilizing probabilistic models to quantify variability and uncertainty. In wildlife ecological risk assessments, exposure assessments consider factors like dose, frequency, and duration of exposure, incorporating chemical, environmental, organismal, and ecological complexities to move beyond screening-level methods with high uncertainty. Additionally, exposure assessment methods are crucial in evaluating incident power density from wireless devices, with defined measurement and computation procedures being essential.
Extensification involves expanding agricultural activities into new areas while also relaxing land use intensity. Is this true?
5 answers
Extensification in agriculture indeed involves expanding into new areas while reducing land use intensity, as supported by the data from the provided contexts. This process can lead to a loss of carbon storage. Conversely, intensification aims to increase productivity on existing land, potentially reducing the need for extensification. The induced intensification hypothesis suggests that limitations on cropland expansion can drive intensification. However, in some cases, intensification can inadvertently lead to further land expansion, known as the rebound effect. Therefore, while extensification involves expanding agricultural activities into new areas with relaxed intensity, the dynamics between extensification and intensification are complex and interconnected in the agricultural landscape.
What are the advantages of land use zonin g?
5 answers
Land use zoning offers several advantages. Firstly, it enables the optimal allocation of land for sustainable utilization, aiding in efficient land use planning and reducing complexity in building spatial optimization models. Secondly, zoning laws help in structuring urban areas economically and in assigning transportation resources effectively, contributing to solving transportation/land use optimization issues. Additionally, land use regulations and zoning laws impact housing and land prices, influencing property values and sizes, highlighting the importance of zoning restrictions on real estate markets. Overall, land use zoning plays a crucial role in promoting sustainable development, efficient resource allocation, and maintaining economic order in urban and rural areas.
How is wild boar hunting currently changing?
5 answers
Wild boar hunting is undergoing significant changes. In Lower Saxony, Germany, hunting methods are evolving, with single hunts and baiting remaining prevalent, while the proportion of drive hunts is increasing. Modernization processes have led to a return to authenticity in hunting, seen through trends like bow-hunting, fostering a more intimate relationship with wildlife. The spatial behavior of wild boar in Central Europe shows avoidance of areas with high hunting pressure, emphasizing the need for coordinated hunting efforts across large regions for effective population control. To prevent the spread of African swine fever, countries like Italy are implementing strategies based on wild boar density and hunting data, emphasizing the importance of surveillance and early detection in wild populations. Monitoring hunting bags in Alpine regions like Piedmont, Italy, is crucial for understanding wild boar population dynamics and developing effective wildlife policies.
Are laser and acoustic non-lethal bird deterrents effective on fish farms?
5 answers
Acoustic and laser non-lethal bird deterrents have shown effectiveness in mitigating human-wildlife conflicts on fish farms. Research indicates that acoustic deterrents, such as sonic nets and simulated predator effigies, can significantly reduce bird abundances, foraging, and roosting activities. Similarly, a study on a marine salmon farm demonstrated a 91% reduction in lost fish due to seal predation through the use of band-limited noise pulses with sharp onset times. Additionally, an innovative acoustic-image linkage laser bird-repelling device was designed, proving to be effective in repelling birds with minimal resource consumption. These findings highlight the potential of combining acoustic and laser technologies as non-lethal bird deterrents on fish farms to enhance wildlife management strategies and reduce economic losses.