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Bilinski T, Bylak A, Kukuła K, Zadrag-Tecza R. Senescence as a trade-off between successful land colonisation and longevity: critical review and analysis of a hypothesis. PeerJ 2021; 9:e12286. [PMID: 34760360 PMCID: PMC8570163 DOI: 10.7717/peerj.12286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/20/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Most common terrestrial animal clades exhibit senescence, suggesting strong adaptive value of this trait. However, there is little support for senescence correlated with specific adaptations. Nevertheless, insects, mammals, and birds, which are the most common terrestrial animal clades that show symptoms of senescence, evolved from clades that predominantly did not show symptoms of senescence. Thus, we aimed to examine senescence in the context of the ecology and life histories of the main clades of animals, including humans, and to formulate hypotheses to explain the causes and origin of senescence in the major clades of terrestrial animals. METHODOLOGY We reviewed literature from 1950 to 2020 concerning life expectancy, the existence of senescence, and the adaptive characteristics of the major groups of animals. We then proposed a relationship between senescence and environmental factors, considering the biology of these groups of animals. We constructed a model showing the phylogenetic relationships between animal clades in the context of the major stages of evolution, distinguishing between senescent and biologically 'immortal' clades of animals. Finally, we synthesised current data on senescence with the most important concepts and theories explaining the origin and mechanisms of senescence. Although this categorisation into different senescent phenotypes may be simplistic, we used this to propose a framework for understanding senescence. RESULTS We found that terrestrial mammals, insects, and birds show senescence, even though they likely evolved from non-senescent ancestors. Moreover, secondarily aquatic animals show lower rate of senescence than their terrestrial counterparts. Based on the possible life histories of these groups and the analysis of the most important factors affecting the transition from a non-senescent to senescent phenotype, we conclude that aging has evolved, not as a direct effect, but as a correlated response of selection on developmental strategies, and that this occurred separately within each clade. Adoption of specific life history strategies could thus have far-reaching effects in terms of senescence and lifespan. CONCLUSIONS Our analysis strongly suggests that senescence may have emerged as a side effect of the evolution of adaptive features that allowed the colonisation of land. Senescence in mammals may be a compromise between land colonisation and longevity. This hypothesis, is supported by palaeobiological and ecological evidence. We hope that the development of new research methodologies and the availability of more data could be used to test this hypothesis and shed greater light on the evolution of senescence.
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Affiliation(s)
- Tomasz Bilinski
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
| | - Aneta Bylak
- Department of Ecology and Environmental Protection; Institute of Agricultural Sciences, Land Management and Environmental Protection, University of Rzeszów, Rzeszów, Poland
| | - Krzysztof Kukuła
- Department of Ecology and Environmental Protection; Institute of Agricultural Sciences, Land Management and Environmental Protection, University of Rzeszów, Rzeszów, Poland
| | - Renata Zadrag-Tecza
- Department of Biochemistry and Cell Biology, Institute of Biology and Biotechnology, University of Rzeszów, Rzeszów, Poland
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Kaye TN, Bahm MA, Thorpe AS, Gray EC, Pfingsten I, Waddell C. Population extinctions driven by climate change, population size, and time since observation may make rare species databases inaccurate. PLoS One 2019; 14:e0210378. [PMID: 31622344 PMCID: PMC6797133 DOI: 10.1371/journal.pone.0210378] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 09/26/2019] [Indexed: 11/29/2022] Open
Abstract
Loss of biological diversity through population extinctions is a global phenomenon that threatens many ecosystems. Managers often rely on databases of rare species locations to plan land use actions and conserve at-risk taxa, so it is crucial that the information they contain is accurate and dependable. However, small population sizes, long gaps between surveys, and climate change may be leading to undetected extinctions of many populations. We used repeated survey records for a rare but widespread orchid, Cypripedium fasciculatum (clustered lady's slipper), to model population extinction risk based on elevation, population size, and time between observations. Population size and elevation were negatively associated with extinction, while extinction probability increased with time between observations. We interpret population losses at low elevations as a potential signal of climate change impacts. We used this model to estimate the probability of persistence of populations across California and Oregon, and found that 39%-52% of the 2415 populations reported in databases from this region are likely extinct. Managers should be aware that the number of populations of rare species in their databases is potentially an overestimate, and consider resurveying these populations to document their presence and condition, with priority given to older reports of small populations, especially those at low elevations or in other areas with high vulnerability to climate or land cover change.
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Affiliation(s)
- Thomas N. Kaye
- Institute for Applied Ecology, Corvallis, Oregon, United States of America
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon, United States of America
| | - Matt A. Bahm
- Institute for Applied Ecology, Corvallis, Oregon, United States of America
| | - Andrea S. Thorpe
- Institute for Applied Ecology, Corvallis, Oregon, United States of America
| | - Erin C. Gray
- Institute for Applied Ecology, Corvallis, Oregon, United States of America
| | - Ian Pfingsten
- Nonindigenous Aquatic Species Program, Cherokee Nation Technology Solutions, Wetland and Aquatic Research Center, Gainesville, FL, United States of America
| | - Chelsea Waddell
- Wildlife/Botany & Fisheries/Aquatics Data Coordinator, Branch of Biological Resources, United States Bureau of Land Management, Oregon State Office, Portland, OR, United States of America
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5
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Liles MJ, Peterson TR, Seminoff JA, Gaos AR, Altamirano E, Henríquez AV, Gadea V, Chavarría S, Urteaga J, Wallace BP, Peterson MJ. Potential limitations of behavioral plasticity and the role of egg relocation in climate change mitigation for a thermally sensitive endangered species. Ecol Evol 2019; 9:1603-1622. [PMID: 30847059 PMCID: PMC6392375 DOI: 10.1002/ece3.4774] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 10/12/2018] [Accepted: 11/05/2018] [Indexed: 01/18/2023] Open
Abstract
Anthropogenic climate change is widely considered a major threat to global biodiversity, such that the ability of a species to adapt will determine its likelihood of survival. Egg-burying reptiles that exhibit temperature-dependent sex determination, such as critically endangered hawksbill turtles (Eretmochelys imbricata), are particularly vulnerable to changes in thermal regimes because nest temperatures affect offspring sex, fitness, and survival. It is unclear whether hawksbills possess sufficient behavioral plasticity of nesting traits (i.e., redistribution of nesting range, shift in nesting phenology, changes in nest-site selection, and adjustment of nest depth) to persist within their climatic niche or whether accelerated changes in thermal conditions of nesting beaches will outpace phenotypic adaption and require human intervention. For these reasons, we estimated sex ratios and physical condition of hatchling hawksbills under natural and manipulated conditions and generated and analyzed thermal profiles of hawksbill nest environments within highly threatened mangrove ecosystems at Bahía de Jiquilisco, El Salvador, and Estero Padre Ramos, Nicaragua. Hawksbill clutches protected in situ at both sites incubated at higher temperatures, yielded lower hatching success, produced a higher percentage of female hatchlings, and produced less fit offspring than clutches relocated to hatcheries. We detected cooler sand temperatures in woody vegetation (i.e., coastal forest and small-scale plantations of fruit trees) and hatcheries than in other monitored nest environments, with higher temperatures at the deeper depth. Our findings indicate that mangrove ecosystems present a number of biophysical (e.g., insular nesting beaches and shallow water table) and human-induced (e.g., physical barriers and deforestation) constraints that, when coupled with the unique life history of hawksbills in this region, may limit behavioral compensatory responses by the species to projected temperature increases at nesting beaches. We contend that egg relocation can contribute significantly to recovery efforts in a changing climate under appropriate circumstances.
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Affiliation(s)
- Michael J. Liles
- Asociación ProCostaSan SalvadorEl Salvador
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Tarla Rai Peterson
- Department of Communication, Environmental Science and Engineering ProgramUniversity of Texas at El PasoEl PasoTexas
| | - Jeffrey A. Seminoff
- National Oceanic and Atmospheric Administration – National Marine Fisheries ServiceSouthwest Fisheries Science CenterLa JollaCalifornia
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Alexander R. Gaos
- Department of BiologySan Diego State UniversitySan DiegoCalifornia
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Eduardo Altamirano
- Fauna and Flora InternationalManaguaNicaragua
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Ana V. Henríquez
- Asociación ProCostaSan SalvadorEl Salvador
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Velkiss Gadea
- Fauna and Flora InternationalManaguaNicaragua
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Sofía Chavarría
- Asociación ProCostaSan SalvadorEl Salvador
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - José Urteaga
- School of Earth, Energy & Environmental SciencesStanford UniversityStanfordCalifornia
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Bryan P. Wallace
- Conservation Science Partners, Inc.Fort CollinsColorado
- Nicholas School of the EnvironmentDuke University Marine LabBeaufortNorth Carolina
- Eastern Pacific Hawksbill InitiativeSan DiegoCalifornia
| | - Markus J. Peterson
- Department of Biological SciencesUniversity of Texas at El PasoEl PasoTexas
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Shefferson RP, Kull T, Hutchings MJ, Selosse MA, Jacquemyn H, Kellett KM, Menges ES, Primack RB, Tuomi J, Alahuhta K, Hurskainen S, Alexander HM, Anderson DS, Brys R, Brzosko E, Dostálik S, Gregg K, Ipser Z, Jäkäläniemi A, Jersáková J, Dean Kettle W, McCormick MK, Mendoza A, Miller MT, Moen A, Øien DI, Püttsepp Ü, Roy M, Sather N, Sletvold N, Štípková Z, Tali K, Warren RJ, Whigham DF. Drivers of vegetative dormancy across herbaceous perennial plant species. Ecol Lett 2018; 21:724-733. [PMID: 29575384 DOI: 10.1111/ele.12940] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 01/17/2018] [Accepted: 02/01/2018] [Indexed: 12/20/2022]
Abstract
Vegetative dormancy, that is the temporary absence of aboveground growth for ≥ 1 year, is paradoxical, because plants cannot photosynthesise or flower during dormant periods. We test ecological and evolutionary hypotheses for its widespread persistence. We show that dormancy has evolved numerous times. Most species displaying dormancy exhibit life-history costs of sprouting, and of dormancy. Short-lived and mycoheterotrophic species have higher proportions of dormant plants than long-lived species and species with other nutritional modes. Foliage loss is associated with higher future dormancy levels, suggesting that carbon limitation promotes dormancy. Maximum dormancy duration is shorter under higher precipitation and at higher latitudes, the latter suggesting an important role for competition or herbivory. Study length affects estimates of some demographic parameters. Our results identify life historical and environmental drivers of dormancy. We also highlight the evolutionary importance of the little understood costs of sprouting and growth, latitudinal stress gradients and mixed nutritional modes.
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Affiliation(s)
- Richard P Shefferson
- Organization for Programs in Environmental Sciences, University of Tokyo, Meguro-ku, Tokyo, Japan
| | - Tiiu Kull
- Estonian University of Life Sciences, Tartu, Estonia
| | - Michael J Hutchings
- School of Life Sciences, University of Sussex, Falmer, Brighton, Sussex, BN1 9QG, UK
| | - Marc-André Selosse
- Institut Systématique Evolution Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, 57 rue Cuvier, CP39, 75005, Paris, France.,Department of Plant Taxonomy and Nature Conservation, University of Gdansk, Gdansk, Poland
| | | | | | | | | | - Juha Tuomi
- Department of Biology, University of Turku, Turku, Finland
| | - Kirsi Alahuhta
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | - Sonja Hurskainen
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | - Helen M Alexander
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS, USA
| | | | - Rein Brys
- Research Institute for Nature and Forest, Brussels, Belgium
| | - Emilia Brzosko
- Institute of Biology, University of Bialystok, Bialystok, Poland
| | | | - Katharine Gregg
- Department of Biology, West Virginia Wesleyan College, Buckhannon, West Virginia, USA
| | - Zdeněk Ipser
- Department of Biology of Ecosystems, Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic
| | - Anne Jäkäläniemi
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | - Jana Jersáková
- Department of Biology of Ecosystems, Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic
| | - W Dean Kettle
- Kansas Biological Survey, University of Kansas, Lawrence, KS, USA
| | | | - Ana Mendoza
- Instituto de Ecologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitario, UNAM, Mexico City, Mexico
| | | | - Asbjørn Moen
- Department of Natural History, NTNU University Museum, Trondheim, Norway
| | - Dag-Inge Øien
- Department of Natural History, NTNU University Museum, Trondheim, Norway
| | - Ülle Püttsepp
- Estonian University of Life Sciences, Tartu, Estonia
| | - Mélanie Roy
- Laboratoire Evolution et Diversité Biologique, Université Paul Sabatier - CNRS, Toulouse, France
| | - Nancy Sather
- Department of Natural Resources, St. Paul, MN, USA
| | - Nina Sletvold
- Department of Ecology and Genetics, Uppsala University, Uppsala, Sweden
| | - Zuzana Štípková
- Global Change Research Institute, Czech Academy of Science, Brno, Czech Republic
| | - Kadri Tali
- Estonian University of Life Sciences, Tartu, Estonia
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