Diversity and Distribution Patterns of Geometrid Moths (Geometridae, Lepidoptera) in Mongolia

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Enkhtur, Khishigdelger ; Boldgiv, Bazartseren ; Pfeiffer, Martin:
Diversity and Distribution Patterns of Geometrid Moths (Geometridae, Lepidoptera) in Mongolia.
In: Diversity. Bd. 12 (2020) Heft 5 . - 186.
ISSN 1424-2818
DOI: https://doi.org/10.3390/d12050186

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Abstract

Geometrids are a species-rich group of moths that serve as reliable indicators for environmental changes. Little is known about the Mongolian moth fauna, and there is no comprehensive review of species richness, diversity, and distribution patterns of geometrid moths in the country. Our study aims to review the existing knowledge on geometrid moths in Mongolia. We compiled geometrid moth records from published scientific papers, our own research, and from the Global Biodiversity Information Facility (GBIF) to produce a checklist of geometrid moths of Mongolia. Additionally, we analyzed spatial patterns, species richness, and diversity of geometrid moths within 14 ecoregions of Mongolia and evaluated environmental variables for their distribution. In total, we compiled 1973-point records of 388 geometrid species. The most species-rich ecoregion in Mongolia was Daurian Forest Steppe with 142 species. Annual precipitation and maximum temperature of the warmest month were the most important environmental variables that correlated with NMDS axes in an analysis of geometrid assemblages of different ecoregions in Mongolia.