Classification of plant functional types based on the nutrition traits: a case study on alpine meadow community in the Zoigê Plateau

Shen, Songtao; Zhang, Shu-jie; Min, Fan; Wang, Qing

doi:10.1007/s11629-016-4133-x

Cited by 7 publications

(4 citation statements)

References 19 publications

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“…ArcGIS software features a tool for classifying data with the use of the natural breaks classification method. This method is useful for analyzing unevenly distributed data, and it is applied to visualize large datasets in environmental and socioeconomic studies [58][59][60][61][62]. The natural breaks classification method was applied because the analyzed data had an uneven distribution.…”

Section: Evaluation Of the Degree Of Anthropogenic Pressurementioning

confidence: 99%

The Impact of Recreational Activities on Aquatic Vegetation in Alpine Lakes

Dynowski

Senetra

Źróbek-Sokolnik

et al. 2019

Water

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Tourism pressure on protected areas with attractive landscapes leads to environmental modifications. Eutrophication poses the main threat to the quality of water in alpine lakes. Even small inflows of biogenic elements can disrupt the ecological balance of these ecosystems. The aim of this study was to verify the hypothesis that recreational activities and easy access to alpine lakes contribute to changes in their ecological status. This hypothesis was verified by analyzing the presence of hydromacrophytes in two lakes of the Tatra National Park (Poland). The analysis was carried out along segments of hiking trails which were evaluated for accessibility to the studied lakes. Underwater surveys were carried out during scuba diving expeditions in 2012–2016. Submerged vegetation was evaluated in both lakes. This is the first study in Poland and one of the few projects in the world to have relied on such extensive support from scuba divers to generate highly accurate measurements. The study demonstrated that lake bottoms were extensively covered by Potamogeton friesii in the vicinity of trail segments with easy access to lakes. Our results show that tourism pressure contributes to the growth of aquatic vegetation in some areas of alpine lakes. We relied on our findings to propose several modifications to the routes of the evaluated tourist trails to minimize the impact of anthropogenic pressure on the studied lakes.

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Section: Evaluation Of the Degree Of Anthropogenic Pressurementioning

confidence: 99%

The Impact of Recreational Activities on Aquatic Vegetation in Alpine Lakes

Dynowski

Senetra

Źróbek-Sokolnik

et al. 2019

Water

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“…Sand dunes are known as covered by nutrient devoid sandy soil that freed from positive properties for plant growth [7]. The expanded sand dunes destroyed fertile land and had negative impacts on the livestock productivity, society development, ecological civilization, household income or human beings health [8–10]. Thus, it is badly in need to conduct sand dunes restoration in the alpine fragile zone.…”

Section: Introductionmentioning

confidence: 99%

Soil and vegetation conditions changes following the different sand dune restoration measures on the Zoige Plateau

Luo

Deng

Zhang³

et al. 2019

PLoS ONE

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Alpine sand dunes restoration is extremely difficult but important in the ecosystem restoration. Sand dunes are known as harsh soil and poor seed bank which freed from advantages on plants growth naturally. Effective restoration measures are required to guide the sand dune restoration. Here, indigenous grass (Elymus nutans) was sown in sand dune on the Zoige Plateau and treated with no sand barrier (CK) and environmental friendly materials including wicker sand barrier (wicker) and sandbag sand barrier (sandbag). The soil conditions were assessed by measuring the soil moisture and nutrients of the topsoil, and interspecific relationship and population niche were utilized to analyze the plant community structure variances among different restoration measures. Results showed that the soil and vegetation in the sand barriers measures were better than that in the CK. The soil moisture in the sandbag measure was 16.67% higher than that in the wicker measure. The nutrients content and microbial biomass were also the best in the sandbag measures. The ratio of strong association was the highest in the sandbag measure and the lowest in the CK, whereas the plants had the highest none association ratio in the CK. In addition, the average population niche overlap ranked by sandbag (0.39)>wicker (0.32)>CK (0.26). Thus, incorporation of sand barriers and indigenous grass seeding in alpine sand dunes could promote the sand dune restoration. And the sandbag measure showed a stronger improvement effect on the sand dune soil and vegetation conditions than the wicker measure.

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“…The expanded sand dunes destroy fertile land and welfare of local populations. For example, they threaten livestock productivity, society development, ecological civilization, household income or human beings health [8-10]. Hence, sand dunes restoration is crucial in ensuring the conservation and sustainable development of the Zoige Plateau and meeting aspiration for better living standards in local people.…”

Section: Introductionmentioning

confidence: 99%

Soil and vegetation conditions changes following the different sand dune restoration measures on the Zoige Plateau

Luo

Deng

Zhang³

et al. 2019

Preprint

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2Restoration of alpine sand dunes has been increasingly attracting the attention of ecologists due to their 3 difficulty and importance among the mountain-river-forest-farmland-lake-grass system (referred as 4 meta-ecosystem) restoration. Alpine sand dunes are suffered from unstable soil and lack of plants. 5Efficient restoration measures are vital to guide the sand dune restoration. Whether the engineering 6 materials co-applied with seeding could achieve considerable restoration in such areas? Here, sandbag 7 and wicker as environmental friendly materials combined with Elymus nutans seeding were 8 implemented on the Zoige Plateau sand dune, comparing with the 'control' treatment that only seeding. 9We assessed the topsoil conditions by sampled the surface soil and measured the water capacity and 10 nutrients. We also utilized interspecific relationship and population niche to analyse the plant 11 community structure variances among different restoration measures. Results showed that the soil 12 conditions got clearly improved in sandbag area than that in wicker area when compared with that in 13 control area. The community in control area was the least structured, while the species showed the 14 closest related in sandbag area. In addition, average population niche overlap showed a control (0.26) 15 ﹤wicker (0.32)﹤sandbag (0.39) ranking. Thus, we suggested that sandbag or wicker co-applied with 16 indigenous grass seeding is a practical and quick restoration approach in alpine sand dunes, and the 17 sandbag may surpasses the wicker. Moreover, soil amending measures including nutrient improvement, 18and microbial fertilizer addition may further accelerate sand dune restoration. 19 Keywords: interspecific relationship; niche; Elymus nutans; sand barrier; restoration 3 20 Introduction 21The terrestrial ecosystem has experienced increasingly severe land degradation and desertification 22[1]. Desertification threatens the ecological safety and its restoration is one of the vital elements in the 23 mountain-river-forest-farmland-lake-grass system (referred as meta-ecosystem) restoration [2, 3]. The 24 long-termed complex causes (e.g., overgrazing, climate change) accelerate desertification process and 25 the sand dunes are expanding continuously on the Zoige Plateau [4-6]. Sand dunes are generally 26 covered by nutrient devoid sandy soil that lacks favourable properties for plant growth and is prone to 27 wind erosion [7]. The expanded sand dunes destroy fertile land and welfare of local populations. For 28 example, they threaten livestock productivity, society development, ecological civilization, household 29 income or human beings health [8-10]. Hence, sand dunes restoration is crucial in ensuring the 30 conservation and sustainable development of the Zoige Plateau and meeting aspiration for better living 31 standards in local people. 32Decades worth of works have been conducted on sand dunes restoration [11, 12]. Mechanical sand 33 barriers as the classical and simplest measure have been shown to contribute to re...

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Classification of plant functional types based on the nutrition traits: a case study on alpine meadow community in the Zoigê Plateau

Cited by 7 publications

References 19 publications

The Impact of Recreational Activities on Aquatic Vegetation in Alpine Lakes

The Impact of Recreational Activities on Aquatic Vegetation in Alpine Lakes

Soil and vegetation conditions changes following the different sand dune restoration measures on the Zoige Plateau

Soil and vegetation conditions changes following the different sand dune restoration measures on the Zoige Plateau

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