Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearch

Abstract

Ageing theories predict that evolution should inevitably lead to an increase of mortality and decrease of fertility with age. However, a recent study across different species shows that this prediction only applies to really few species. In fact there is a great diversity of mortality trajectories in nature. Additionally, empirical studies have previously concluded that age matters: the probabilities of species to die as a function of age are highly diverse. Some species even show that mortality decreases with age (negative senescence). Albeit these findings, most studies still assume that mortality is constant when species reach maturity. The implications of these assumptions have strong consequences not only in the development of evolutionary theories of ageing and population ecology but also in species conservation. By modeling mortality of different species of vertebrates we show that different models are needed to explore the diversity of mortality trajectories in animals. However, our state of demographic knowledge even for vertebrates is by far deficient to incorporate the effects on age. Exploring 13 available datasets on vertebrate life histories traits, our results show surprising figures that highlight the urgency to fill up knowledge gaps to manage populations of threatened species.
Original languageEnglish
Publication date2014
Publication statusPublished - 2014
EventLeibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V.: IZW Guest Seminar - Leibniz Institute for Zoo and Wildlife Research , Berlin, Germany
Duration: 29. Jan 201429. Jan 2014

Conference

ConferenceLeibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V.
LocationLeibniz Institute for Zoo and Wildlife Research
CountryGermany
CityBerlin
Period29/01/201429/01/2014

Fingerprint

species conservation
vertebrate
mortality
trajectory
evolutionary theory
population ecology
senescence
life history trait
fertility
animal
prediction
modeling

Keywords

  • Invited Speaker

Cite this

Conde, D. A. (2014). Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management. Abstract from Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V., Berlin, Germany.
Conde, Dalia Amor. / Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management. Abstract from Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V., Berlin, Germany.
@conference{df45ecd5ac9249929d212307f596653c,
title = "Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management",
abstract = "Ageing theories predict that evolution should inevitably lead to an increase of mortality and decrease of fertility with age. However, a recent study across different species shows that this prediction only applies to really few species. In fact there is a great diversity of mortality trajectories in nature. Additionally, empirical studies have previously concluded that age matters: the probabilities of species to die as a function of age are highly diverse. Some species even show that mortality decreases with age (negative senescence). Albeit these findings, most studies still assume that mortality is constant when species reach maturity. The implications of these assumptions have strong consequences not only in the development of evolutionary theories of ageing and population ecology but also in species conservation. By modeling mortality of different species of vertebrates we show that different models are needed to explore the diversity of mortality trajectories in animals. However, our state of demographic knowledge even for vertebrates is by far deficient to incorporate the effects on age. Exploring 13 available datasets on vertebrate life histories traits, our results show surprising figures that highlight the urgency to fill up knowledge gaps to manage populations of threatened species.",
keywords = "Invited Speaker",
author = "Conde, {Dalia Amor}",
year = "2014",
language = "English",
note = "Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V. : IZW Guest Seminar ; Conference date: 29-01-2014 Through 29-01-2014",

}

Conde, DA 2014, 'Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management' Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V., Berlin, Germany, 29/01/2014 - 29/01/2014, .

Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management. / Conde, Dalia Amor.

2014. Abstract from Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V., Berlin, Germany.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearch

TY - ABST

T1 - Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management

AU - Conde, Dalia Amor

PY - 2014

Y1 - 2014

N2 - Ageing theories predict that evolution should inevitably lead to an increase of mortality and decrease of fertility with age. However, a recent study across different species shows that this prediction only applies to really few species. In fact there is a great diversity of mortality trajectories in nature. Additionally, empirical studies have previously concluded that age matters: the probabilities of species to die as a function of age are highly diverse. Some species even show that mortality decreases with age (negative senescence). Albeit these findings, most studies still assume that mortality is constant when species reach maturity. The implications of these assumptions have strong consequences not only in the development of evolutionary theories of ageing and population ecology but also in species conservation. By modeling mortality of different species of vertebrates we show that different models are needed to explore the diversity of mortality trajectories in animals. However, our state of demographic knowledge even for vertebrates is by far deficient to incorporate the effects on age. Exploring 13 available datasets on vertebrate life histories traits, our results show surprising figures that highlight the urgency to fill up knowledge gaps to manage populations of threatened species.

AB - Ageing theories predict that evolution should inevitably lead to an increase of mortality and decrease of fertility with age. However, a recent study across different species shows that this prediction only applies to really few species. In fact there is a great diversity of mortality trajectories in nature. Additionally, empirical studies have previously concluded that age matters: the probabilities of species to die as a function of age are highly diverse. Some species even show that mortality decreases with age (negative senescence). Albeit these findings, most studies still assume that mortality is constant when species reach maturity. The implications of these assumptions have strong consequences not only in the development of evolutionary theories of ageing and population ecology but also in species conservation. By modeling mortality of different species of vertebrates we show that different models are needed to explore the diversity of mortality trajectories in animals. However, our state of demographic knowledge even for vertebrates is by far deficient to incorporate the effects on age. Exploring 13 available datasets on vertebrate life histories traits, our results show surprising figures that highlight the urgency to fill up knowledge gaps to manage populations of threatened species.

KW - Invited Speaker

M3 - Conference abstract for conference

ER -

Conde DA. Ageing research on vertebrates shows knowledge gaps and opportunities for species conservation and management. 2014. Abstract from Leibniz Institute for Zoo and Wildlife Research in the Forschungsverbund Berlin e.V., Berlin, Germany.