Characteristics of Spatiotemporal Patterns in Benthic Macroinvertebrate Communities in Two Adjacent Headwater Streams.

Lee, Da-Yeong; Bae, Mi‐Jung; Kwon, Yong‐Su; Park, Chanwoo; Yang, Hee Moon; Shin, Yujin; Kwon, Tae‐Sung; Young-Seuk, Park

doi:10.11614/ksl.2018.51.2.192

Cited by 4 publications

(4 citation statements)

References 39 publications

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“…Except for the study sites included in cluster I, which were representative of the whole area in South Korea, the study sites were clearly divided by mountain ranges. This could lead to the structural differences of the aquatic invertebrate communities (Lee et al 2018). Firstly, cluster IIa is separated from Cluster IIb and IIc by the first mountain range, which is the main mountain range stretching from Mt.…”

Section: Discussionmentioning

confidence: 99%

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Influence of land consolidation on aquatic invertebrate communities and their distribution patterns in Korean rice fields

Nam

Yoon

Song

et al. 2019

Entomological Research

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Rice fields, the major cropland in South Korea, provide an important wetland habitat for a diverse wildlife and contribute to biodiversity conservation. On the other hand, land consolidation conducted to increase agricultural production since the 1960s on a nationwide scale in South Korea has frequently been suggested to be one of the factors in the decline of biodiversity in agricultural ecosystems. Negative effects of habitat manipulation such as land consolidation would have influenced paddy field biodiversity, but the degree has not been clearly measured in South Korea. This study evaluated the impacts of land consolidation on the aquatic invertebrate biodiversity and investigated their patterns across the nation. Field sampling for biodiversity and environmental variables were made from 290 sites of paddy field over the country. Aquatic invertebrate communities were clustered into four major clusters showing land consolidation as the main factor and geographic location as the second factor. Species richness and abundance were significantly lower in the land consolidation fields (mean ± s.e., 12.80 ± 0.28 vs 88.89 ± 0.89 and 2027.15 ± 150.84 vs 2573.54 ± 572.16). Shannon diversity index was also significantly lower in land consolidation fields. Our results suggest that land consolidation and spatial location are important for biodiversity and conservation of the aquatic invertebrate assemblages in Korean rice fields.

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Section: Discussionmentioning

confidence: 99%

“…If the habitats of aquatic invertebrates are obstructed by mountains, their movement and dispersal are restricted, despite their habitats being in close proximity. This could lead to the structural differences of the aquatic invertebrate communities (Lee et al 2018).…”

Section: Discussionmentioning

confidence: 99%

Influence of land consolidation on aquatic invertebrate communities and their distribution patterns in Korean rice fields

Nam

Yoon

Song

et al. 2019

Entomological Research

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“…Forestation in the riparian area provides important refugia for odonates, allowing them to hide from predators and more effectively hunt prey [38]. The composition of forests and seasonal differences in upstream habitats also affects the structure of benthic macroinvertebrate assemblages including the compositions of odonate assemblages [39,40]. For instance, decreases in canopy cover results in increased sunlight penetration, warmer temperatures, and altered vegetation structure, which can all influence the distribution range, growth rate, and behavior of odonatan species [41].…”

Section: Discussionmentioning

confidence: 99%

“…Sampling sites in cluster D were mostly downstream sites with open canopies and high chlorophyll-a concentrations, suggesting that high sunlight penetration unites assemblages in cluster D. Paracercion requires more sunlight than Anisopteran species such as O. albistylum [46,47] as higher temperatures facilitate flight and mating in Zygopteran species. Geographical separation (e.g., habitat fragmentation) is also an important determinant of species distributions [40].…”

Section: Discussionmentioning

confidence: 99%

Distribution Patterns of Odonate Assemblages in Relation to Environmental Variables in Streams of South Korea

Lee

Bae

et al. 2018

Insects

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Odonata species are sensitive to environmental changes, particularly those caused by humans, and provide valuable ecosystem services as intermediate predators in food webs. We aimed: (i) to investigate the distribution patterns of Odonata in streams on a nationwide scale across South Korea; (ii) to evaluate the relationships between the distribution patterns of odonates and their environmental conditions; and (iii) to identify indicator species and the most significant environmental factors affecting their distributions. Samples were collected from 965 sampling sites in streams across South Korea. We also measured 34 environmental variables grouped into six categories: geography, meteorology, land use, substrate composition, hydrology, and physicochemistry. A total of 83 taxa belonging to 10 families of Odonata were recorded in the dataset. Among them, eight species displayed high abundances and incidences. Self-organizing map (SOM) classified sampling sites into seven clusters (A–G) which could be divided into two distinct groups (A–C and D–G) according to the similarities of their odonate assemblages. Clusters A–C were characterized by members of the suborder Anisoptera, whereas clusters D–G were characterized by the suborder Zygoptera. Non-metric multidimensional scaling (NMDS) identified forest (%), altitude, and cobble (%) in substrata as the most influential environmental factors determining odonate assemblage compositions. Our results emphasize the importance of habitat heterogeneity by demonstrating its effect on odonate assemblages.

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Evaluation of Potential Distribution Area of the Red Swamp Crayfish (<i>Procambarus clarkia</i>) in South Korea.

Lee¹,

Young-Seuk²

2019

Korean J. Ecology and Environment.

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Characteristics of Spatiotemporal Patterns in Benthic Macroinvertebrate Communities in Two Adjacent Headwater Streams.

Cited by 4 publications

References 39 publications

Influence of land consolidation on aquatic invertebrate communities and their distribution patterns in Korean rice fields

Influence of land consolidation on aquatic invertebrate communities and their distribution patterns in Korean rice fields

Distribution Patterns of Odonate Assemblages in Relation to Environmental Variables in Streams of South Korea

Evaluation of Potential Distribution Area of the Red Swamp Crayfish (<i>Procambarus clarkia</i>) in South Korea.

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