• Corpus ID: 54530329

Antler growth and extinction of Irish elk

@article{Moen1999AntlerGA,
  title={Antler growth and extinction of Irish elk},
  author={Ron A. Moen and John Pastor and Yosef Cohen},
  journal={Evolutionary Ecology Research},
  year={1999},
  volume={1},
  pages={235-249}
}
Adult male Irish elk (Megaloceros giganteus) grew the largest antlers of any extinct or extant cervid. These antlers have often been implicated in the extinction of the Irish elk, although the eVects of antler growth on Irish elk physiology have not been analysed quantitatively. We used a simulation model of energy and mineral metabolism to compare nutritional requirements for antler growth in Irish elk and moose (Alces alces), the largest extant cervid. The model simulates intake, metabolism… 

Figures and Tables from this paper

Getting to the hart of the matter: did antlers truly cause the extinction of the Irish elk?
TLDR
This work focuses on the reproductive energetics of females as a possible contributor to extinction, and model the nutritional demands of producing precocial cursorial young, and shows the reproductive output of females being reduced by 50% due to changes in the length of the growing season at the end of the Pleistocene.
Antler growth as a cost of reproduction in female reindeer
TLDR
This study finds that reproductive females grew smaller antlers and weighed 4.3 kg less than non-reproductive females, which provides evidence for antler growth as a cost of reproduction in females and increases the understanding of constraints on ornamentation and life history trade-offs.
Climate‐dependent allocation of resources to secondary sexual traits in red deer
TLDR
It is suggested that deer have a higher allocation of resources to antlers relative to body weight during favorable environmental conditions.
Early life investment in antlers and body growth reflex adult performance in roe deer population under supplementary feeding conditions.
TLDR
Results agree with the assertion that there is no negative effect of a high investment in antler during early life on adult antler size or body mass, but the use of clean antlers is suggested as a more robust and reliable measure.
Obligate herbivory in an ancestrally carnivorous lineage: the giant panda and bamboo from the perspective of nutritional geometry
TLDR
It is suggested that pandas obligatorily synchronize their seasonal migration and reproduction with the disjunct nutritional phenologies of two bamboo species, which has potentially important implications for habitat conservation and the need for understanding the nutritional basis of food selection in devising management plans for endangered species.
Genetic basis of ruminant headgear and rapid antler regeneration
TLDR
The genome of the deer antler is the only completely regenerable organ found in mammals, thus providing a unique model for regenerative biology and insights for cancer prevention and therapy in humans and other organisms are provided.
Antler Size Provides an Honest Signal of Male Phenotypic Quality in Roe Deer
TLDR
Antler size may provide an honest signal of male phenotypic quality in roe deer, suggesting the evolution of two reproductive tactics: heavy old males invested particularly heavily in antler growth (potsentially remaining competitive for territories), whereas light old males grew small antlers (potentially abandoning territory defense).
The phylogenetic position of the ‘giant deer’ Megaloceros giganteus
TLDR
A new phylogenetic analysis encompassing morphological and DNA sequence evidence is presented, and it is found that both sets of data independently support a sister-group relationship of giant and fallow deer.
Do Antlers Honestly Advertise the Phenotypic Quality of Fallow Buck (Dama dama) in a Lekking Population
TLDR
Antler size reflects social status and dominance in male fallow deer, and therefore represents an honest advertisement of phenotypic quality, and no direct link between antler symmetry and mating success was found, confirming the ambiguous role of antler asymmetry as an indicator of fitness.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 59 REFERENCES
Simulating antler growth and energy, nitrogen, calcium and phosphorus metabolism in caribou
TLDR
The model can be used to quantitatively analyze the evolutionary basis for development of antlers in female caribou, and the relationship between body mass and antler size in the Cervidae.
Calcium metabolism in red deer (Cervus elaphus) offered herbages during antlerogenesis: kinetic and stable balance studies
Summary Kinetic studies of Ca metabolism, using 45CaCl32, were carried out on two mature red deer stags during the period of maximum rate of Ca deposition in the antlers. They were offered green-feed
The evolution of the giant deer, Megaloceros giganteus (Blumenbach)
  • A. Lister
  • Environmental Science, Geography
  • 1994
TLDR
A biometric study of variation and evolution in the giant deer through its history is reported, finding thickened skull and mandibular bones are constant throughout the species' history.
Phosophorus Nutrition in White‐Tailed Deer: Nutrient Balance, Physiological Responses, and Antler Growth
TLDR
Data is reported on experiments designed to evaluate physiological responses to low dietary P and to determine phosphorus requirements in male white—tailed deer, a browsing cervid with presumed elevated mineral requirements during antlerogenesis.
Taphonomy and Herd Structure of the Extinct Irish Elk, Megaloceros giganteus
Fossils of the late Pleistocene elk Megaloceros giganteus from Ballybetagh bog, near Dublin, Ireland, indicate that males segregated from females during winters. The segregation implies seasonal
A SPATIALLY EXPLICIT MODEL OF MOOSE FORAGINGAND ENERGETICS
TLDR
An energy and activity simulation environment (EASE) model is developed that predicts the seasonal changes in energy requirements of a female moose foraging in a spatially explicit landscape with a resolution of 1 m2.
Aspects of nitrogen and mineral nutrition in Icelandic reindeer, Rangifer tarandus.
Deer Antlers: Regeneration, Function and Evolution
Deer velvet uses benefits amp dosage drugs com herbal, pdf deer antler innervation and regeneration, evolution of ruminant headgear a review, deer antlers regeneration function and evolution,
Antlers, body size and breeding group size in the Cervidae
TLDR
It is confirmed that large deer species tend to be more polygynous than smaller ones and that intense inter-male competition in large species has led to the development of relatively large antlers.
...
1
2
3
4
5
...