Study on the effects of arsenic pollution on the communities of macro-invertebrate in Xieshui River

Chi, Shiyun; Hu, Jiang; Zheng, Jinming; Dong, Feifei

doi:10.1016/j.chnaes.2016.09.003

Cited by 22 publications

(10 citation statements)

References 20 publications

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“…Besides Coleoptera, pollution was depicted as the second most relevant threat for EPT as well. Considering their dependence on water – at least during part of their life cycle – different water effluents possess a severe threat for these communities, as shown in the study of Chi, Hu, Zheng, & Dong (2017), who found the EPT to be particularly sensitive to the effect of arsenic pollution.…”

Section: Discussionmentioning

confidence: 99%

Insect threats and conservation through the lens of global experts

Miličić

Popov

Branco

et al. 2020

Preprint

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While many recent studies have focused on global insect population trends, all are limited either in space or taxonomic scope. Since global monitoring programs for insects are not implemented, biased data are therefore the norm. However, expert opinion is both valuable and widely available, and should be fully exploited when hard data are not available. Our aim is to use global expert opinion to provide insights on the root causes of potential insect declines worldwide, as well as on effective conservation strategies that could mitigate insect biodiversity loss. We obtained 753 responses from 413 respondents with a wide variety of expertise. The most relevant threats identified through the survey were agriculture and climate change, followed by pollution, while land management and land protection were recognized as the most significant conservation measures. Nevertheless, there were differences across regions and insect groups, reflecting the variability within the most diverse class of living organisms on our planet. Lack of answers for certain biogeographic regions or taxa also reflects the need for research, particularly in less investigated settings. Our results provide a first step towards understanding global threats and conservation measures for insects.

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Section: Discussionmentioning

confidence: 99%

Insect threats and conservation through the lens of global experts

Miličić

Popov

Branco

et al. 2020

Preprint

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“…Second, the increases in evapotranspiration (Yao et al, 2016) caused by poplar afforestation reduces the leaching loss of base cations (Slessarev et al, 2016), and thus increases soil pH. Third, the upward vertical movement of water by deep-rooted trees (compared with crops) could generally induce the upward movement of soluble salts from the deep soils to the surface soils, resulting in soil saline-alkalinization (Li, 2000; Lu et al, 2017; Wang et al, 2017a).…”

Section: Discussionmentioning

confidence: 99%

Shelterbelt Poplar Forests Induced Soil Changes in Deep Soil Profiles and Climates Contributed Their Inter-site Variations in Dryland Regions, Northeastern China

Wang

et al. 2019

Front. Plant Sci.

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The influence of shelterbelt afforestation on soils in different-depth profiles and possible interaction with climatic conditions is important for evaluating ecological effects of large-scale afforestation programs. In the Songnen Plain, northeastern China, 720 soil samples were collected from five different soil layers (0–20, 20–40, 40–60, 60–80, and 80–100 cm) in shelterbelt poplar forests and neighboring farmlands. Soil physiochemical properties [pH, electrical conductivity (EC), soil porosity, soil moisture and bulk density], soil carbon and nutrients [soil organic carbon (SOC), N, alkaline-hydrolyzed N, P, available P, K and available K], forest characteristics [tree height, diameter at breast height (DBH), and density], climatic conditions [mean annual temperature (MAT), mean annual precipitation (MAP), and aridity index (ARID)], and soil texture (percentage of silt, clay, and sand) were measured. We found that the effects of shelterbelt afforestation on bulk density, porosity, available K, and total P were observed up to 100 cm deep; while the changes in available K and P were several-fold higher in the 0–20 cm soil layer than that in deeper layers (p < 0.05). For other parameters (soil pH and EC), shelterbelt-influences were mainly observed in surface soils, e.g., EC was 14.7% lower in shelterbelt plantations than that in farmlands in the 0–20 cm layer, about 2.5–3.5-fold higher than 60–100 cm soil inclusion. For soil moisture, shelterbelt afforestation decreased soil water by 7.3–8.7% in deep soils (p < 0.05), while no significant change was in 0–20 cm soil. For SOC and N, no significant differences between shelterbelt and farmlands were found in all five-depth soil profiles. Large inter-site variations were found for all shelterbelt-induced soil changes (p < 0.05) except for total K in the 0–20 cm layer. MAT and silt content provided the greatest explanation powers for inter-site variations in shelterbelt-induced soil properties changes. However, in deeper soils, water (ARID and MAP) explained more of the variation than that in surface soils. Therefore, shelterbelt afforestation in northeastern China could affect aspects of soil properties down to 100 cm deep, with inter-site variations mainly controlled by climate and soil texture, and greater contribution from water characteristics in deeper soils.

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“…Specifically, it was depicted as the second most relevant threat for both Coleoptera and the EPT community. Due to their dependence on water, at least during part of their life cycle, different water effluents constitute a severe threat for these communities (Chi et al, 2017). In a comparable study of Donaldson et al (2016), pollution was listed as number one stressor for freshwater invertebrates, but not significant for the terrestrial ones.…”

Section: Threatsmentioning

confidence: 99%

Insect threats and conservation through the lens of global experts

Miličić

Popov

Branco

et al. 2021

CONSERVATION LETTERS

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While several recent studies have focused on global insect population trends, all are limited in either space or taxonomic scope. As global monitoring programs for insects are currently not implemented, inherent biases exist within most data. Expert opinion, which is often widely available, proves to be a valuable tool where hard data are limited. Our aim is to use global expert opinion to provide insights on the root causes of potential insect declines worldwide, as well as on effective conservation strategies that could mitigate insect biodiversity loss. We obtained 753 responses from 413 respondents with a wide variety of spatial and taxonomic expertise. The most relevant threats identified through the survey were agriculture and climate change, followed by pollution, while land management and land protection were recognized as the most significant conservation measures. Nevertheless, there were differences across regions and insect groups, reflecting the variability within the most diverse class of eukaryotic organisms on our planet. Lack of answers for certain biogeographic regions or taxa also reflects the need for research in less investigated settings. Our results provide a novel step toward understanding global threats and conservation measures for insects.

show abstract

Study on the effects of arsenic pollution on the communities of macro-invertebrate in Xieshui River

Cited by 22 publications

References 20 publications

Insect threats and conservation through the lens of global experts

Insect threats and conservation through the lens of global experts

Shelterbelt Poplar Forests Induced Soil Changes in Deep Soil Profiles and Climates Contributed Their Inter-site Variations in Dryland Regions, Northeastern China

Insect threats and conservation through the lens of global experts

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