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Alpha and beta diversity patterns of macro-moths reveal a breakpoint along a latitudinal gradient in Mongolia

Title data

Enkhtur, Khishigdelger ; Brehm, Gunnar ; Boldgiv, Bazartseren ; Pfeiffer, Martin:
Alpha and beta diversity patterns of macro-moths reveal a breakpoint along a latitudinal gradient in Mongolia.
In: Scientific Reports. Vol. 11 (2021) Issue 1 . - No. 15018.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-021-94471-3

Abstract in another language

Little is known about the diversity and distribution patterns of moths along latitudinal gradients. We studied macro-moths in Mongolia along an 860 km latitudinal climatic gradient to gain knowledge on community composition, alpha, beta, and gamma diversity as well as underlying factors, which can be used as baseline information for further studies related to climate change. We identified 236 species of moths of ten families. Our study shows that the diversity of moths increased with the latitude, i.e., low species richness in the south and higher richness in the north. Moth community composition changed along the gradient, and we revealed a breakpoint of beta diversity that divided grassland and desert communities. In the desert, beta diversity was driven by species loss (i.e., nestedness), and few tolerant species existed with high abundance. In contrast, in the grassland, beta diversity was driven by species replacement with more unique species, (i.e., species which occurred only in one site). We found the lowest species diversity in the transitional zones dominated by few generalist species such as Agrotis ripae and Anarta trifolii. Low precipitation and an increasing number of grazing goats are drivers of species loss. We suggest different conservation strategies regarding the contrasting patterns of beta diversity in desert and grassland.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Biodiversity; Biogeography; Community ecology; Entomology; Grassland ecology; Macroecology
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography > Chair Biogeography - Univ.-Prof. Dr. Carl Beierkuhnlein
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
500 Science > 590 Animals (Zoology)
Date Deposited: 23 Nov 2021 08:21
Last Modified: 23 Nov 2021 08:21
URI: https://eref.uni-bayreuth.de/id/eprint/67973