Urbanization and De-urbanization in Mountain Regions of China

Zhang, Baiping; Shen-guo, MO; Ya, Tan; Xiao, Fei; Wu, Hongzhi

doi:10.1659/0276-4741(2004)024[0206:uadimr]2.0.co;2

Cited by 30 publications

(6 citation statements)

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“…With economic development, it often increases environment degradation in favor of urbanization, especially in countries with unsustainable development policies ( Romero & Ordenes, 2004 ). This problem may also impact high-altitude ecosystems ( Baiping et al, 2004 ; Romero & Ordenes, 2004 ). Regarding the consequences of urbanization on native bee habitats, it has been demonstrated that this affects bee richness and evenness, and also, delays peak abundance during the bee season and decreases temporal turnover ( Winfree, Bartomeus & Cariveau, 2011 ; Hung, Ascher & Holway, 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Along urbanization sprawl, exotic plants distort native bee (Hymenoptera: Apoidea) assemblages in high elevation Andes ecosystem

Henríquez-Piskulich

Vera

Sandoval

et al. 2018

PeerJ

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Native bees contribute a considerable portion of pollination services for endemic as well as introduced plant species. Their decline has been attributed to several human-derived influences including global warming as well as the reduction, alteration, and loss of bees’ habitat. With human expansion comes along the introduction of exotic plant species with negative impacts over native ecosystems. Anthropic effects may even have a deeper impact on communities adapted to extreme environments, such as high elevation habitats, where abiotic stressors alone are a natural limitation to biodiversity. Among these effects, the introduction of exotic plants and urbanization may have a greater influence on native communities. In this work, we explored such problems, studying the relationship between the landscape and its effect over richness and abundance of native bees from the subandean belt in the Andes mountain chain. Furthermore, we investigated the effects of exotic plant abundance on this high-altitude bee assemblage. Despite the landscape not showing an effect over bee richness and abundance, exotic plants did have a significant influence over the native bee assemblage. The abundance of exotic plants was associated with a relative increase in the proportion of small and medium bee species. Moreover, Halictidae was the only family that appeared to be favored by an increase in the abundance of exotic plant species. We discuss these results and the urgent need for further research of high-altitude environments due to their vulnerability and high endemicity.

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Section: Introductionmentioning

confidence: 99%

Along urbanization sprawl, exotic plants distort native bee (Hymenoptera: Apoidea) assemblages in high elevation Andes ecosystem

Henríquez-Piskulich

Vera

Sandoval

et al. 2018

PeerJ

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“…In the light of increasingly depleting natural resources, it is crucial to maintain clean and healthy mountain ecosystems. However, increasing impact of waste owing to growing tourism, changes in consumption and production patterns, mining operations, illegal waste practices and urban sprawl threaten the continuity and quality of mountain ecosystem resources and services (Allison, 2008; Baiping et al, 2004; Geneletti and Dawa, 2009; Gilbert, 2010; Mihai et al, 2012; The Japan Times, 2014).…”

Section: Introductionmentioning

confidence: 99%

Waste management outlook for mountain regions: Sources and solutions

Semernya¹,

Ramola

Alfthan

et al. 2017

Waste Manag Res

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Following the release of the global waste management outlook in 2015, the United Nations Environment Programme (UN Environment), through its International Environmental Technology Centre, is elaborating a series of region-specific and thematic waste management outlooks that provide policy recommendations and solutions based on current practices in developing and developed countries. The Waste Management Outlook for Mountain Regions is the first report in this series. Mountain regions present unique challenges to waste management; while remoteness is often associated with costly and difficult transport of waste, the potential impact of waste pollutants is higher owing to the steep terrain and rivers transporting waste downstream. The Outlook shows that waste management in mountain regions is a cross-sectoral issue of global concern that deserves immediate attention. Noting that there is no 'one solution fits all', there is a need for a more landscape-type specific and regional research on waste management, the enhancement of policy and regulatory frameworks, and increased stakeholder engagement and awareness to achieve sustainable waste management in mountain areas. This short communication provides an overview of the key findings of the Outlook and highlights aspects that need further research. These are grouped per source of waste: Mountain communities, tourism, and mining. Issues such as waste crime, plastic pollution, and the linkages between exposure to natural disasters and waste are also presented.

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“…Mountains and plateaus account to 70% of land area of China (Baiping, Shenguo, Ya, Fei, & Hongzhi, 2004). Considering the habitat of yellowhorn (tolerance to high pH, clay, sandy, loam, average, medium or well-drained soil (Li et al, 2010)), there is large potential for planting yellowhorn.…”

Section: Breeding Program Based On Utilization Of Genetic Resourcesmentioning

confidence: 99%

Conservation of genetic diversity hotspots of the high‐valued relic yellowhorn (Xanthoceras sorbifolium) considering climate change predictions

Zhu

Wang

Guan

et al. 2019

Ecology and Evolution

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Genetic structure and major climate factors may contribute to the distribution of genetic diversity of a highly valued oil tree species Xanthoceras sorbifolium (yellowhorn). Long‐term over utilization along with climate change is affecting the viability of yellowhorn wild populations. To preserve the species known and unknown valuable gene pools, the identification of genetic diversity “hotspots” is a prerequisite for their consideration as in situ conservation high priority. Chloroplast DNA (cpDNA) diversity was high among 38 natural populations (Hd = 0.717, K = 4.616, Tajmas’ D = −0.22) and characterized by high genetic divergence (FST = 0.765) and relatively low gene flow (Nm = 0.03), indicating populations isolation reflecting the species’ habitat fragmentation and inbreeding depression. Six out of the studied 38 populations are defined as genetic diversity “hotspots.” The number and geographic direction of cpDNA mutation steps supported the species southwest to northeast migration history. Climatic factors such as extreme minimum temperature over 30 years indicated that the identified genetic “hotspots” are expected to experience 5°C temperature increase in next following 50 years. The results identified vulnerable genetic diversity “hotspots” and provided fundamental information for the species’ future conservation and breeding activities under the anticipated climate change. More specifically, the role of breeding as a component of a gene resource management strategy aimed at fulfilling both utilization and conservation goals.

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Urbanization and De-urbanization in Mountain Regions of China

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 30 publications

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Along urbanization sprawl, exotic plants distort native bee (Hymenoptera: Apoidea) assemblages in high elevation Andes ecosystem

Along urbanization sprawl, exotic plants distort native bee (Hymenoptera: Apoidea) assemblages in high elevation Andes ecosystem

Waste management outlook for mountain regions: Sources and solutions

Conservation of genetic diversity hotspots of the high‐valued relic yellowhorn (Xanthoceras sorbifolium) considering climate change predictions

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