scholarly journals Biodiversity conservation in agriculture requires a multi-scale approach

2014 ◽  
Vol 281 (1791) ◽  
pp. 20141358 ◽  
Author(s):  
David J. Gonthier ◽  
Katherine K. Ennis ◽  
Serge Farinas ◽  
Hsun-Yi Hsieh ◽  
Aaron L. Iverson ◽  
...  
Keyword(s):  
Biodiversity Conservation ◽  
Agricultural Land ◽  
Multiple Scales ◽  
Management Strategies ◽  
Biodiversity Loss ◽  
Conservation Strategies ◽  
Local Management ◽  
Landscape Complexity ◽  
Multi Scale ◽  
Taxonomic Groups

Biodiversity loss—one of the most prominent forms of modern environmental change—has been heavily driven by terrestrial habitat loss and, in particular, the spread and intensification of agriculture. Expanding agricultural land-use has led to the search for strong conservation strategies, with some suggesting that biodiversity conservation in agriculture is best maximized by reducing local management intensity, such as fertilizer and pesticide application. Others highlight the importance of landscape-level approaches that incorporate natural or semi-natural areas in landscapes surrounding farms. Here, we show that both of these practices are valuable to the conservation of biodiversity, and that either local or landscape factors can be most crucial to conservation planning depending on which types of organisms one wishes to save. We performed a quantitative review of 266 observations taken from 31 studies that compared the impacts of localized (within farm) management strategies and landscape complexity (around farms) on the richness and abundance of plant, invertebrate and vertebrate species in agro-ecosystems. While both factors significantly impacted species richness, the richness of sessile plants increased with less-intensive local management, but did not significantly respond to landscape complexity. By contrast, the richness of mobile vertebrates increased with landscape complexity, but did not significantly increase with less-intensive local management. Invertebrate richness and abundance responded to both factors. Our analyses point to clear differences in how various groups of organisms respond to differing scales of management, and suggest that preservation of multiple taxonomic groups will require multiple scales of conservation.

scholarly journals A synthesis of scale-dependent ecology of the endangered mountain caribou in British Columbia, Canada

Rangifer ◽  
2008 ◽  
Vol 28 (1) ◽  
pp. 33
Author(s):  
Robert Serrouya ◽  
Bruce N. McLellan ◽  
Clayton D. Apps ◽  
Heiko U. Wittmer
Keyword(s):  
British Columbia ◽  
Rangifer Tarandus ◽  
Spatial Scales ◽  
Management Strategies ◽  
Population Level ◽  
Limiting Factors ◽  
Conservation Strategies ◽  
Integrative Approach ◽  
Rangifer Tarandus Caribou ◽  
Multi Scale

Mountain caribou are an endangered ecotype of woodland caribou (Rangifer tarandus caribou) that live in highprecipitation, mountainous ecosystems of southeastern British Columbia and northern Idaho. The distribution and abundance of these caribou have declined dramatically from historical figures. Results from many studies have indicated that mountain caribou rely on old conifer forests for several life-history requirements including an abundance of their primary winter food, arboreal lichen, and a scarcity of other ungulates and their predators. These old forests often have high timber value, and understanding mountain caribou ecology at a variety of spatial scales is thus required to develop effective conservation strategies. Here we summarize results of studies conducted at three different spatial scales ranging from broad limiting factors at the population level to studies describing the selection of feeding sites within seasonal home ranges of individuals. The goal of this multi-scale review is to provide a more complete picture of caribou ecology and to determine possible shifts in limiting factors across scales. Our review produced two important results. First, mountain caribou select old forests and old trees at all spatial scales, signifying their importance for foraging opportunities as well as conditions required to avoid alternate ungulates and their predators. Second, relationships differ across scales. For example, landscapes dominated by roads and edges negatively affect caribou survival, but appear to attract caribou during certain times of the year. This juxtaposition of fine-scale behaviour with broad-scale vulnerability to predation could only be identified through integrated multi-scale analyses of resource selection. Consequently we suggest that effective management strategies for endangered species require an integrative approach across multiple spatial scales to avoid a focus that may be too narrow to maintain viable populations. Abstract in Norwegian / Sammendrag:Skala-avhengig økologi og truet fjellvillrein i Britisk ColumbiaFjellvillreinen i de nedbørsrike fjellområdene i sørøstre Britisk Columbia og nordlige Idaho som er en truet økotype av skogsreinen (Rangifer tarandus caribou), har blitt kraftig redusert både i utbredelse og antall. Mange studier har vist at denne økotypen er avhengig av vinterføden hengelav i gammel barskog hvor det også er få andre klovdyr og dermed få predatorer. Slik skog er også viktige hogstområder, og å forstå økologien til fjellvillreinen i forskjellige skaleringer er derfor nødvendig for å utvikle forvaltningsstrategier som kan berge og ta vare på denne reinen. Artikkelen gir en oversikt over slike arbeider: fra studier av begrensende faktorer på populasjonsnivå til studier av sesongmessige beiteplasser på individnivå. Hensikten er å få frem et mer helhetlig perspektiv på fjellvillreinen og finne hvordan de begrensende faktorene varierer etter skaleringen som er benyttet i studiet. Oversikten vår frembragte to viktige resultater; 1) Uansett skalering så velger dyrene gammel skog og gamle trær. 2) Dyrenes bruk av et område kan variere med benyttet skalering, for eksempel vil landskap utbygd med veier og hogstflater være ufordelaktig for overlevelsen, men synes likevel å kunne tiltrekke fjellvillreinen til visse tider av året. Forholdet mellom atferd ut fra fin-skalering og stor-skalering sårbarhet hva gjelder predasjon, ville kun blitt avdekket ved flere-skaleringsanalyse av hvordan ressursene benyttes. Ut fra dette foreslår vi at forvaltningsstrategier for truete bestander som eksempelvis fjellvillreinen, må baseres på tilnærminger ut fra ulike skaleringer for å hindre at et for snevert perspektiv kan begrense muligheten for vedvarende levedyktighet.

scholarly journals Management Strategies for Sustainable Forest Biodiversity Conservation in Protected Areas of Bangladesh: A Study of Bhawal National Park, Gazipur

2020 ◽  
Vol 3 (3) ◽  
pp. 56-72
Author(s):  
Md. Alauddin ◽  
Md. Nuralam Hossain ◽  
Md. Babul Islam ◽  
Shahidul Islam ◽  
Md. Kamrul Islam
Keyword(s):  
Protected Areas ◽  
Biodiversity Conservation ◽  
Urban Areas ◽  
National Park ◽  
Management Strategies ◽  
Biodiversity Loss ◽  
Forest Biodiversity ◽  
Private Land ◽  
Group Discussions ◽  
Underlying Causes

Bhawal National Park (BNP) is one of the biologically historic and rich habitats in Bangladesh. Therefore, the study aimed to assess the current management strategies of BNP for sustainable biodiversity conservation along with investigations focusing underlying causes of deforestation and biodiversity losses. A structured questionnaire survey, interview, focused group discussions (FGDs), key informant interviews (KII), and literature survey were used as research tools. The results reveal some threats to the sustainable park management, such as its proximity to urban areas, encroachment, abundance of private land within its boundaries, and the pressure of rapid industrialization. It is found that extensive fuelwood collection, industrial setup, agricultural activities, forest fire, forest land encroachment, wood collection are significant causes for deforestation and biodiversity loss. Moreover, number of species of plants and wildlife has decreased roughly by one-third and one-half, respectively. The findings of this study are valuable for sustainable forest biodiversity conservation and management apart from formulating relevant strategies, planning, and policies for the protected areas of Bangladesh.

scholarly journals Biodiversity Loss: Threats and Conservation Strategies

2021 ◽  
Vol 68 (1) ◽  
Author(s):  
Reeta Kumari ◽  
Deepali A ◽  
Sonal Bhatnagar
Keyword(s):  
Large Scale ◽  
Forest Cover ◽  
Agricultural Land ◽  
Habitat Degradation ◽  
Biodiversity Loss ◽  
Conservation Strategies ◽  
Natural Habitats ◽  
Conventional Agriculture ◽  
Holistic View ◽  
Global Population

The global population is expanding day by day, the increase in food demand by the growing population poses serious environmental challenges. To satisfy the increasing food supply, a shift in conventional agriculture was observed that lead to expanded agricultural land uses with reduced wildlife and biodiversity. Deterioration of agricultural land has caused overexploitation of forest land by converting natural habitats into managed systems. Life has originated billions of years ago. Since then, there is a continual extinction of over 90% of the species due to various factors such as increased human population, unsustainable resource consumption, habitat fragmentation, habitat degradation, alien species invasion, pollution, monoculture practices, climate change, loss of forest cover etc. Food, fodder, fuel, medicines, wood, crop plants are some of the natural resources received from the environment. Biodiversity also provides an ecosystem, social, and spiritual services to mankind. We must realize the significance of biodiversity on earth as a valuable resource that can help in developing new products for generations. A consensus has been developed to adopt a holistic view of biodiversity for its conservation and sustainable utilization. Numerous techniques have been proposed and implemented for the conservation of biodiversity and its genetic resources. Since we are dependent on nature for our livelihood, this review paper aims to address the biodiversity and its threats along with some conservation strategies which are not adopted on a large scale.

scholarly journals Impact of highway on vertebrate roadkill in Nam Nao National Park, Thailand

2020 ◽  
Vol 21 (11) ◽  
Author(s):  
Wuttisak Kummoo ◽  
Jiraporn Teampanpong ◽  
Pantiya Utsa ◽  
Paanwaris Paansri ◽  
Warong Suksavate ◽  
...  
Keyword(s):  
National Park ◽  
Management Strategies ◽  
Biodiversity Loss ◽  
Forest Edge ◽  
Mitigation Strategies ◽  
Limited Attention ◽  
Road Mortality ◽  
Night Time ◽  
The Road ◽  
Taxonomic Groups

Abstract. Kummoo W, Teampanpong J, Paansri P, Suksavate W, Utsa P, Duengkae P, Prompat S. 2020. Impact of highway on vertebrate roadkill in Nam Nao National Park, Thailand. Biodiversitas 21: 5540-5550. Roads lead to biodiversity loss, primarily through wildlife collisions. This phenomenon is widespread, despite limited attention in Thailand. To reduce road mortality, the roadkilled species and their distributions along the road become a significant component for designing management strategies. We surveyed vertebrate mortality covering 44 kilometers of Highway 12, passing through Nam Nao Nation Park in Phetchabun Province of Thailand for 34 replicates between August 2018 and July 2019. We recorded 1,389 carcasses of 578 amphibians, 540 reptiles, 190 mammals and 81 birds. The rate of wildlife-vehicle collisions (WVCs) was 1.089 ± 0.823 carcasses-km-1day-1, comprised mostly of amphibians. The distribution pattern of WVCs was arranged in spatial clusters. Five wildlife collision hotspots for four taxa groups were identified. Overall, the WVC presence was positively associated with vegetation types but negatively associated with distance to the forest edge, the presence of road barriers and the number of road lane. Concurrently, the numbers of roadkill incidents were positively associated with amphibians more than other vertebrate groups, the night time and number of daily vehicles. Our results suggest that WVC rates on HW12 vary among taxonomic groups, temporal scales and environmental factors. It highlights key hotspots where mitigation strategies should be implemented for biodiversity conservation.

scholarly journals Changes in Coastal Agricultural Land Use in Response to Climate Change: An Assessment Using Satellite Remote Sensing and Household Survey Data in Tien Hai District, Thai Binh Province, Vietnam

Land ◽  
2021 ◽  
Vol 10 (6) ◽  
pp. 627
Author(s):  
Duong H. Nong ◽  
An T. Ngo ◽  
Hoa P. T. Nguyen ◽  
Thuy T. Nguyen ◽  
Lan T. Nguyen ◽  
...  
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Management Strategies ◽  
Household Survey ◽  
Extreme Weather Events ◽  
Agricultural Land Use ◽  
Landsat 8 ◽  
Land Uses

We analyzed the agricultural land-use changes in the coastal areas of Tien Hai district, Thai Binh province, in 2005, 2010, 2015, and 2020, using Landsat 5 and Landsat 8 data. We used the object-oriented classification method with the maximum likelihood algorithm to classify six types of land uses. The series of land-use maps we produced had an overall accuracy of more than 80%. We then conducted a spatial analysis of the 5-year land-use change using ArcGIS software. In addition, we surveyed 150 farm households using a structured questionnaire regarding the impacts of climate change on agricultural productivity and land uses, as well as farmers’ adaptation and responses. The results showed that from 2005 to 2020, cropland decreased, while aquaculture land and forest land increased. We observed that the most remarkable decreases were in the area of rice (485.58 ha), the area of perennial crops (109.7 ha), and the area of non-agricultural land (747.35 ha). The area of land used for aquaculture and forest increased by 566.88 ha and 772.60 ha, respectively. We found that the manifestations of climate change, such as extreme weather events, saltwater intrusion, drought, and floods, have had a profound impact on agricultural production and land uses in the district, especially for annual crops and aquaculture. The results provide useful information for state authorities to design land-management strategies and solutions that are economic and effective in adapting to climate change.

Agrodeforestation and the loss of agrobiodiversity in the Pacific Islands: a call for conservation

2014 ◽  
Vol 20 (2) ◽  
pp. 180 ◽  
Author(s):  
Randolph Thaman
Keyword(s):  
Biodiversity Conservation ◽  
Sustainable Management ◽  
Pacific Islands ◽  
Agricultural Land ◽  
Ecosystem Goods And Services ◽  
Livelihood Security ◽  
Goods And Services ◽  
The Pacific ◽  
Aichi Biodiversity Targets

Our ability to conserve biodiversity and to adapt to climate, environmental and economic change in the Pacific Islands will be greatly dependent on the conservation, restoration and enrichment of biodiversity within traditional multispecies agricultural land use systems. “Agrobiodiversity” is the most well-known, culturally-useful and accessible biodiversity on most islands and constitutes the most important foundation for ecosystem goods and services that support food, health, energy and livelihood security. This rich Pacific agrobiodiversity heritage, including associated ethnobiodiversity is highly threatened and deserves more prominence in mainstream conservation initiatives as a foundation for long-term sustainability. Such action is in line with Aichi Biodiversity Targets 7 and 13 which set goals for sustainable management of agriculture, fisheries and forestry, and the maintenance of genetic diversity as critical for successful biodiversity conservation globally. It is also supported by the findings of the Japan Satoyama-Satoumi Assessment, which stresses the critical importance of biodiversity conservation and ecosystem services provided by traditional agricultural and village landscapes.

Managing Alien Plants for Biodiversity Outcomes—the Need for Triage

2010 ◽  
Vol 3 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Paul O. Downey ◽  
Moira C. Williams ◽  
Leonie K. Whiffen ◽  
Bruce A. Auld ◽  
Mark A. Hamilton ◽  
...  
Keyword(s):  
Biodiversity Conservation ◽  
Native Species ◽  
Regional Scale ◽  
Management Strategies ◽  
Alien Plants ◽  
Plant Management ◽  
Policy Reforms ◽  
Management Decisions ◽  
Alien Plant ◽  
Triage System

AbstractRecognition that alien plants pose a significant threat to biodiversity has not always translated into effective management strategies, policy reforms, and systems to establish priorities. Thus, many alien plant management decisions for the protection of biodiversity occur with limited knowledge of what needs to be protected (other than biodiversity in a generalized sense) or the urgency of actions. To rectify this, we have developed a triage system that enables alien plant management decisions to be made based on (1) the urgency of control relative to the degree of threat posed to biodiversity, compared with (2) the likelihood of achieving a successful conservation outcome as a result of alien plant control. This triage system is underpinned by a two-step approach, which identifies the biodiversity at risk and assesses sites to determine priorities for control. This triage system was initially developed to manage the threat posed by bitou bush to native species in New South Wales (NSW), Australia. It has subsequently been improved with the national assessment of lantana in Australia, and the adaptation from a single to multiple alien plant species approach on a regional scale. This triage system identifies nine levels of priority for alien plant management aimed at biodiversity conservation, ranging from immediate, targeted action to limited or no action. The development of this approach has enabled long-term management priorities to be set for widespread alien plants that are unlikely to be eradicated. It also enables control to occur in a coordinated manner for biodiversity conservation at a landscape scale, rather than as a series of individual unconnected short-term actions.

Different components of landscape complexity are necessary to preserve multiple taxonomic groups in intensively-managed rice paddy landscapes

2022 ◽  
Vol 328 ◽  
pp. 107864
Author(s):  
Pierre Mallet ◽  
Arnaud Béchet ◽  
Thomas Galewski ◽  
François Mesléard ◽  
Samuel Hilaire ◽  
...  
Keyword(s):  
Rice Paddy ◽  
Landscape Complexity ◽  
Intensively Managed ◽  
Taxonomic Groups

Contrasting research approaches to managing mistletoes in commercial forests and wooded pasturesThis minireview is one of a collection of papers based on a presentation from the Stem and Shoot Fungal Pathogens and Parasitic Plants: the Values of Biological Diversity session of the XXII International Union of Forestry Research Organization World Congress meeting held in Brisbane, Queensland, Australia, in 2005.

Botany ◽  
2009 ◽  
Vol 87 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Nick Reid ◽  
Simon F. Shamoun
Keyword(s):  
Biological Control ◽  
Fungal Pathogens ◽  
Biological Diversity ◽  
Management Strategies ◽  
Biodiversity Loss ◽  
Classical Biological Control ◽  
Dwarf Mistletoe ◽  
Silvicultural Treatments ◽  
Inundative Biological Control

Many mistletoe species are pests in agricultural and forest ecosystems throughout the world. Mistletoes are unusual “weeds” as they are generally endemic to areas where they achieve pest status and, therefore, classical biological control and broad-scale herbicidal control are usually impractical. In North American coniferous forests, dwarf mistletoe ( Arceuthobium spp.) infection results in major commercial losses and poses a public liability in recreation settings. Hyperparasitic fungi have potential as biological control agents of dwarf mistletoe, including species which attack shoots, berries, and the endophytic systems of dwarf mistletoe. Development of an inundative biological control strategy will be useful in situations where traditional silvicultural control is impractical or undesirable. In southern Australia, farm eucalypts are often attacked and killed by mistletoes ( Amyema spp.) in grazed landscapes where tree decline and biodiversity loss are major forms of land degradation. Although long-term strategies to achieve a balance between mistletoe and host abundance are promoted, many graziers want short-term options to treat severely infected trees. Recent research has revisited the efficiency and efficacy of silvicultural treatments and selective herbicides in appropriate situations. The results of recent research on these diverse management strategies in North America and Australia are summarized.

scholarly journals Traditional Biodiversity Conservation Strategy As A Complement to the Existing Scientific Biodiversity Conservation Models in Ghana

2018 ◽  
Vol 8 (3) ◽  
pp. 1
Author(s):  
Dickson Adom
Keyword(s):  
Biodiversity Conservation ◽  
Traditional Knowledge ◽  
Phenomenological Study ◽  
Belief Systems ◽  
Knowledge Systems ◽  
Scientific Models ◽  
Conservation Strategy ◽  
Conservation Strategies ◽  
Biodiversity Management ◽  
Clear Cut

Biodiversity management in Ghana has been largely driven by scientific conservation models. The time-tested and useful traditional conservation ethos in the Ghanaian cultural and artistic elements such as festivals, proverbs, cosmological belief systems and taboos are often watered down by conservationists in biodiversity conservation schemes. This is due to conservationists’ lack of clear-cut guidelines on how to effectively utilize the traditional knowledge systems in complementing the scientific conservation models they are well versed. The developed traditional biodiversity strategy was based on the findings from a robust phenomenological study conducted among purposively and randomly sampled key stakeholders in biodiversity management in the Ashanti Region of Ghana. The document aims at offering comprehensive information and guidelines to conservationists on effective ways of implementing traditional knowledge systems in biodiversity conservation issues in Ghana. It ultimately aims at filling the dearth in traditional knowledge systems that have been an age-long problem for the conservation ministries and agencies in Ghana. The informative directions in the developed traditional biodiversity strategy would offer another lens to addressing conservation issues in Ghana while acting as a viable complement to the scientific models. This would ultimately maximize and enrich the conservation strategies for managing Ghana’s biodiversity.

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