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Cited by 101Wildlife Ecology and ConservationAnimal Ecology and Behavior StudiesAvian ecology and behavior

The muskoxen Ovibos moschatus in north and northeast Greenland: population trends and the influence of abiotic parameters on population dynamics

Forchhammer, Mads, Boertmann, David·1993·Ecography
DOI 10.1111/j.1600-0587.1993.tb00219.x
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Abstract

This paper presents the first long term (1960–89) data set on both muskox Ovibos moschatus density and weather parameters in north and northeast Greenland The muskoxen appear to have expenenced a 25 yr favourable period from the early 1960 ‘ies to the mid 1980’ ies, in which density increased and reached a maximum level The population minimum around 1960 probably represents a long term minimum, following a long, generally unfavourable period between 1940–60 Variation in the local population trends from the southern parts of the muskox distribution m northeast Greenland to the northeast parts, can be divided into three geographical areas (72°–75°N, 75°–77°30 ‘N, and north of 79°30’ N), where density dependent and density independent factors affecting muskox populations are apparently different Regional population stability does not increase towards the north Two density independent (abiotic) factors seem to be of prime importance in determining the muskox population density and distribution in northeast Greenland 1) the amount of winter precipitation affects the distribution of muskoxen negatively, inducing local migrations, but does not have a direct negative effect on large scale variation in density,11) ablation (i.e melting of the upper snow layer) and concomitant ice crust formation in winter have a highly negative effect on muskox density in the southern range, but not in the northern range The two abiotic factors, which show a considerable variation from north to south, are statistically independent and seem to be triggered by different weather conditions The predictions that follow from a climatic model both with respect to the direct influence of abiotic factors on muskox density and the indirect influence of climatic fluctuation, are not fully supported by the data presented here

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Crossref · 10.1111/j.1600-0587.1993.tb00219.x

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16 of 16 references verified0 citation errors · 0 not checkable

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  • Increasing temperatures, especially in fall and winter, increase the likelihood of extreme weather events including deeper than average snow depths, ice-crust formation, and rain-on-snow events.

    “Increasing temperatures, especially in fall and winter, increase the likelihood of extreme weather events including deeper than average snow depths (Gunn et al. 1989; Reynolds 1998), ice-crust formation (Forchhammer and Boertmann 1993), and rain-on-snow events (Gunn et al. 1989; Putkonen et al. 2009).”

    From Muskox status, recent variation, and uncertain future (2020) · cites this paper as Forchhammer and Boertmann 1993

  • Analyses of long-term datasets reveal a more complex and less predictable association between winter precipitation, ice-crust formation, and muskox population dynamics.

    “Analyses of long-term datasets reveal a more complex and less predictable association between winter precipitation, ice-crust formation, and muskox population dynamics (Forchhammer and Boertmann 1993; Schmidt et al. 2015).”

    From Muskox status, recent variation, and uncertain future (2020) · cites this paper as Forchhammer and Boertmann 1993

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Authors
Forchhammer, M., & Boertmann, D.
Affiliations
Aarhus University (DK)
ORCID
Venue
Ecography
Publisher
Wiley
Published
1993-10
Volume
16
Issue
4
Pages
299-308
ISSN
  • 0906-7590 (ISSN-L)
  • 1600-0587
DOI
10.1111/j.1600-0587.1993.tb00219.x
OpenAlex
W2142765879
Cited by
101
References
16
Citations by year
2025: 3 · 2024: 1 · 2023: 1 · 2021: 6 · 2020: 1 · 2019: 6 · 2018: 2 · 2017: 3 · 2016: 4 · 2015: 4 · 2014: 4 · 2013: 8 · 2012: 3
FWCI
0.62
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor, 4655 d)
Locations
Ecography (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Physical Sciences › Environmental Science › Ecology › Animal Ecology and Behavior Studies
  • Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
Keywords
Ovibos moschatus, population dynamics, population density, abiotic factors, winter precipitation, snow ablation, ice crust, climate variability, density dependence, density independence, long-term population trends, range expansion, Northeast Greenland, North Greenland

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