Inbreeding and experience affect response to climate change by endangered woodpeckers

Schiegg, Karin; Pasinelli, Gilberto; Walters, Jeffrey R.; Daniels, Stephen

doi:10.1098/rspb.2002.1966

Cited by 59 publications

(49 citation statements)

References 48 publications

(57 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Coltman et al 1998Coltman et al , 1999Coulson et al 1998aCoulson et al , 1999Marshall and Spalton 2000;Slate et al 2000a;Amos et al 2001;Hö glund et al 2002;Schiegg et al 2002;Slate and Pemberton 2002;Acevedo-Whitehouse et al 2003;Reid et al 2003). Our data lend further support to this trend, revealing a pattern in which males born to less-related parents tend to father more pups.…”

Section: Discussionsupporting

confidence: 73%

Exploring the Relationship Between Parental Relatedness and Male Reproductive Success in the Antarctic Fur Seal Arctocephalus Gazella

2004

View full text Add to dashboard Cite

Abstract. Recent genetic studies of natural populations have shown that heterozygosity and other genetic estimates of parental relatedness correlate with a wide variety of fitness traits, from juvenile survival and parasite resistance to male reproductive success. Many of these traits involve health and survival, where the underlying mechanism may involve changes in the effectiveness of the immune system. However, for traits such as reproductive success, the likely mechanisms remain less obvious. In this paper, we examine the relationship between heterozygosity and a range of traits that contribute to male reproductive success, including time spent on territories and competitiveness. Our analysis is based on observational and genetic data from eight consecutive breeding seasons at a colony of the Antarctic fur seal, Arctocephalus gazella. Overall, male reproductive success was found to correlate strongly with internal relatedness (IR, a form of heterozygosity). When different components of success were analyzed, we found that IR correlates independently with reproductive longevity, time spent ashore, and competitive ability per unit mating opportunity on the study beach, with more heterozygous males being more successful. Behavioral observations were sufficiently detailed to allow examination of how daily mean IR values for males present on the beach varied within seasons and from year to year. Again, significant variation was found both among and within seasons, with more homozygous males appearing less able to hold territories in poor seasons when pup production is low and, within a season, at both the start of the season and to some extent around the peak of female estrus. Finally, we tested whether the benefits of high heterozygosity are due mainly to a genomewide effect (e.g. inbreeding depression) or to single locus heterosis by asking whether the relationship between IR and male success was robust to the removal of any single locus or to any pair of loci. Since the relationship remained significant in all cases, we favor a multilocus explanation for the effects we report.

show abstract

Section: Discussionsupporting

confidence: 73%

Exploring the Relationship Between Parental Relatedness and Male Reproductive Success in the Antarctic Fur Seal Arctocephalus Gazella

2004

View full text Add to dashboard Cite

show abstract

“…Overall, the laying date of RCWs advanced over the study period, supporting previous results from our study population (Schiegg et al 2002, Garcia 2014). The RCW is one of many species in which an advanced laying date in response to increasing temperatures has been documented (e.g., Crick and Sparks 1999, Dunn and Winkler 1999).…”

Section: Discussionsupporting

confidence: 78%

“…The advancement in laying date was greater for birds on Safe Harbor properties compared with those on control properties. Previous research on this population has indicated that young females, inexperienced females, and experienced females breeding with a new mate advance their laying dates less than other birds in response to climate change (Schiegg et al 2002). Thus, higher turnover of female breeders on control properties is a potential mechanism that could have produced the difference that we observed.…”

Section: Discussioncontrasting

confidence: 42%

“…We found no evidence that this difference in the advancement of laying date resulted in any difference in reproductive performance, as might occur if changes in laying date disrupt temporal relationships between breeding and resource availability (Sanz et al 2003, Dunn 2004, Visser et al 2004. Similarly, Schiegg et al (2002) and Garcia (2014) found that changes in laying date associated with climate change did not result in reduced breeding success in this population.…”

Section: Discussionmentioning

confidence: 67%

“…We considered the initiation of a clutch to indicate the onset of a breeding attempt (hereafter, 'laying date'). We calculated laying date by backdating from the estimated age of nestlings when first observed, assuming that 1 egg was laid per day and that the interval between clutch completion and hatching was 11 days (Schiegg et al 2002). We considered a breeding attempt to have failed if no young fledged (hereafter, 'breeding failure').…”

Section: Breeding Performancementioning

confidence: 99%

See 2 more Smart Citations

How effective is the Safe Harbor program for the conservation of Red-cockaded Woodpeckers?

Smith

Brust²,

Skelton

et al. 2018

The Condor

View full text Add to dashboard Cite

Weighing the relative potential impacts of climate change and land‐use change on an endangered bird

Bancroft

Lawler

Schumaker

2016

Ecology and Evolution

View full text Add to dashboard Cite

Climate change and land‐use change are projected to be the two greatest drivers of biodiversity loss over the coming century. Land‐use change has resulted in extensive habitat loss for many species. Likewise, climate change has affected many species resulting in range shifts, changes in phenology, and altered interactions. We used a spatially explicit, individual‐based model to explore the effects of land‐use change and climate change on a population of the endangered Red‐cockaded Woodpecker (RCW; Picoides borealis). We modeled the effects of land‐use change using multiple scenarios representing different spatial arrangements of new training areas for troops across Fort Benning. We used projected climate‐driven changes in habitat and changes in reproductive output to explore the potential effects of climate change. We summarized potential changes in habitat based on the output of the dynamic vegetation model LPJ‐GUESS, run for multiple climate change scenarios through the year 2100. We projected potential changes in reproduction based on an empirical relationship between spring precipitation and the mean number of successful fledglings produced per nest attempt. As modeled in our study, climate change had virtually no effect on the RCW population. Conversely, simulated effects of land‐use change resulted in the loss of up to 28 breeding pairs by 2100. However, the simulated impacts of development depended on where the development occurred and could be completely avoided if the new training areas were placed in poor‐quality habitat. Our results demonstrate the flexibility inherent in many systems that allows seemingly incompatible human land uses, such as development, and conservation actions to exist side by side.

show abstract

Inbreeding and experience affect response to climate change by endangered woodpeckers

Cited by 59 publications

References 48 publications

Exploring the Relationship Between Parental Relatedness and Male Reproductive Success in the Antarctic Fur Seal Arctocephalus Gazella

Exploring the Relationship Between Parental Relatedness and Male Reproductive Success in the Antarctic Fur Seal Arctocephalus Gazella

How effective is the Safe Harbor program for the conservation of Red-cockaded Woodpeckers?

Weighing the relative potential impacts of climate change and land‐use change on an endangered bird

Contact Info

Product

Resources

About