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Journal articles on the topic 'Reproductive success'

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Published: 4 June 2021
Last updated: 21 September 2023

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1

Bollmann, Kurt, and Heinz-Ulrich Reyer. "Reproductive Success of Water Pipits in an Alpine Environment." Condor 103, no. 3 (August 1, 2001): 510–20. http://dx.doi.org/10.1093/condor/103.3.510.

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Abstract To understand the evolution of avian reproductive strategies it is important to assess how differences in reproductive success are related to timing of the breeding season, quality of nesting territories or breeders, or to a combination of these factors. Over three years, we studied the reproductive performance of female Water Pipits (Anthus spinoletta) in a temporally and spatially variable alpine environment. The study area covered two valley slopes that differed in the probability of nest predation, food availability, and climate. Nest predation and harsh weather were the main proximate causes of differences in female reproductive success. Because these two environmental factors were locally unpredictable, individual females could best optimize their seasonal reproductive success by choosing the “right” breeding time. The average number of young fledged per season was inversely related to the date of initial breeding and increased from females with only first attempts, through females with replacement clutches, to females that raised two broods. Hence, the main advantage of early breeding lies in the chance of rearing a second brood after the first has fledged, or of producing a replacement clutch if the first fails due to predation or harsh weather. Éxito Reproductivo de Anthus spinoletta en un Ambiente Alpino Resumen. Para entender la evolución de las estrategias reproductivas de las aves es importante determinar cómo las diferencias en el éxito reproductivo se relacionan con el comienzo de la época reproductiva, la calidad de los territorios de nidificación o los reproductores o con una combinación de estos factores. Durante un período de tres años, estudiamos el desempeño reproductivo de hembras de Anthus spinoletta en un ambiente alpino temporal y espacialmente variable. El sitio de estudio comprendió dos laderas que diferían en la probabilidad de depredación de nidos, disponibilidad de alimento y clima. La depredación de nidos y el clima severo fueron las principales causas proximales de la diferencia del éxito reproductivo de las hembras. Debido a que ambos factores ambientales fueron localmente inpredecibles, cada individuo hembra podía optimizar el éxito de su período reproductivo eligiendo el tiempo “correcto” para reproducirse en la temporada. El número promedio de juveniles por temporada se relacionó inversamente con la fecha del inicio de la reproducción y aumentó desde hembras con sólo un intento de cría, pasando por hembras que reemplazaron sus nidadas, hasta hembras que criaron dos nidadas. Por tanto, la ventaja principal de reproducirse tempranamente en la temporada está dada por la posibilidad de criar una segunda nidada luego de la partida de los primeros juveniles o de producir una nueva nidada si la primera falla debido a depredación o clima severo.
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2

Bercovitch, Fred B. "Reproductive success." Ethology and Sociobiology 11, no. 2 (March 1990): 141–43. http://dx.doi.org/10.1016/0162-3095(90)90034-4.

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3

Porneluzi, Paul A. "Prior Breeding Success Affects Return Rates of Territorial Male Ovenbirds." Condor 105, no. 1 (February 1, 2003): 73–79. http://dx.doi.org/10.1093/condor/105.1.73.

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AbstractI examined the hypothesis that male Ovenbirds (Seiurus aurocapillus) make breeding dispersal decisions based on prior breeding experience at a site. I determined the reproductive success of color-banded male Ovenbirds at sites in fragmented and unfragmented landscapes in Missouri from 1992–1995. I documented which individuals returned and I recorded their reproductive success upon return as well as the success of birds new to each plot. I obtained similar results in both landscapes. Males with different histories of reproductive success returned at different rates. Only 2 of 22 males that were paired but failed to raise young returned in the following year, whereas the return rates of unpaired males (41%, n = 37) and males that successfully raised young (54%, n = 57) did not differ significantly (P = 0.19). The patterns were more consistent with the hypothesis that return rates were due to decisions about dispersal rather than difference in survival of individuals in these groups.El Éxito Reproductivo Previo Afecta Índices de Regreso de Machos Territoriales de Seiurus aurocapillusResumen. Examiné la hipótesis de que individuos de Seiurus aurocapillus hacen decisiones de dispersión reproductiva basadas en las experiencias reproductivas previas en un sitio. Determiné el éxito reproductivo de machos con anillos de color en lugares en terrenos fragmentados y no fragmentados de Missouri entre 1992 y 1995. Documenté cuáles individuos regresaron y su éxito reproductivo al regresar, y también el éxito de pájaros nuevos en cada sitio. Obtuve resultados semejantes en ambos paisajes. Los machos con historias de éxito reproductivo diferentes presentaron índices de regreso diferentes. Solamente 2 de 22 machos apareados que no produjeron cría volvieron al año siguiente, mientras que los índices de regreso de machos no apareados (41%, n = 37) y de los machos que produjeron crías exitosamente (54%, n = 57) no difirieron significativamente (P = 0.19). Los patrones concuerdan más con la hipótesis de que los índices de regreso se deberieron a las decisiones de dispersión y no a la diferencia de supervivencia de individuos en estos grupos.
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4

Bailey, James A. "Reproductive success in female mountain goats." Canadian Journal of Zoology 69, no. 12 (December 1, 1991): 2956–61. http://dx.doi.org/10.1139/z91-416.

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Kid production by marked females, age ratios from a 24-year study, and the literature are used to evaluate hypotheses that three intrinsic and three extrinsic factors affect reproduction by female Rocky Mountain goats (Oreamnos americanus). On Sheep Mountain – Gladstone Ridge, Colorado, mountain goat age ratios declined while the herd grew during 1966–1979, and continued to decline with population stability during 1980–1989, suggesting a continued increase in ecological density of goats 39 years after they were introduced in 1950. Among intrinsic factors, age and persisting individual characteristics have influenced reproductive success of females. Reproductive success in any year has not limited success in the following year, except in 4-year-olds. Among extrinsic factors, reproductive success of female mountain goats has been negatively influenced by density or ecological density and by snowpack during gestation. Reproductive success of females may have been positively influenced by snowpack that enhanced forage conditions prior to breeding. The relative importance of these six factors in determining reproductive success of females may vary among and (temporally) within herds. Most hypotheses regarding reproductive success in female mountain goats remain poorly tested. Short-term observational studies hold little promise for testing hypotheses, owing to large among-years variation in reproductive success. Long-term, intensive observational studies, or manipulative experiments, are suggested.
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5

Saitoh, Takashi. "Lifetime reproductive success in reproductively suppressed female voles." Researches on Population Ecology 32, no. 2 (December 1990): 391–406. http://dx.doi.org/10.1007/bf02512572.

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6

Morin, A., M. Rughetti, S. Rioux-Paquette, and M. Festa-Bianchet. "Older conservatives: reproduction in female Alpine chamois (Rupicapra rupicapra) is increasingly risk-averse with age." Canadian Journal of Zoology 94, no. 5 (May 2016): 311–21. http://dx.doi.org/10.1139/cjz-2015-0153.

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In long-lived mammals, costs of reproduction may vary with age. The terminal investment hypothesis predicts greater reproductive effort as females approach the end of their life expectancy. We monitored 97 individually marked female Alpine chamois (Rupicapra rupicapra (L., 1758)) between 2007 and 2013 to determine how age-specific reproduction affected body mass and subsequent reproductive success. We captured and weighed females between April and August and monitored reproductive success from April to October through mother–kid associations. Reproductive success was strongly age-dependent and peaked at 70% for prime-aged females (4–7 years). Reproductive senescence began at 8 years, earlier than reported by other studies of ungulates. There was no clear evidence of reproductive costs in any age class. Reproductive success was very heterogeneous for old females, suggesting variability in the onset of senescence. Old females were less likely to reproduce in poor years despite being heavier than prime-aged females, suggesting reproductive restraint in late life rather than terminal investment. Female mass remained stable from May to August with no effect of lactation. Our results suggest that chamois reproductive strategy becomes increasingly conservative with age, resulting in no detectable costs of reproduction.
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7

Symons, Donald. "Reproductive success and adaptation." Behavioral and Brain Sciences 10, no. 04 (December 1987): 788. http://dx.doi.org/10.1017/s0140525x00055898.

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8

Daly, Martin. "Beyond reproductive success differentials." Behavioral and Brain Sciences 16, no. 2 (June 1993): 289–90. http://dx.doi.org/10.1017/s0140525x00030004.

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9

Sear, Rebecca. "Height and reproductive success." Human Nature 17, no. 4 (December 2006): 405–18. http://dx.doi.org/10.1007/s12110-006-1003-1.

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10

Castellano, S., L. Colombo, C. Giacoma, E. Marzona, and L. Pataro. "Reproductive success inRana temporaria." Ethology Ecology & Evolution 5, no. 3 (September 1993): 384–85. http://dx.doi.org/10.1080/08927014.1993.9523034.

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11

Crognier, E. "Reproductive success: Which meaning?" American Journal of Human Biology 15, no. 3 (April 14, 2003): 352–60. http://dx.doi.org/10.1002/ajhb.10153.

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12

Rhine, Ramon J. "Criteria of reproductive success." American Journal of Primatology 41, no. 2 (1997): 87–101. http://dx.doi.org/10.1002/(sici)1098-2345(1997)41:2<87::aid-ajp2>3.0.co;2-v.

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13

ZYLBERBERG, M., E. P. DERRYBERRY, C. W. BREUNER, E. A. MACDOUGALL-SHACKLETON, J. M. CORNELIUS, and T. P. HAHN. "Haemoproteusinfected birds have increased lifetime reproductive success." Parasitology 142, no. 8 (March 24, 2015): 1033–43. http://dx.doi.org/10.1017/s0031182015000256.

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SUMMARYThe impact of haematozoan infection on host fitness has received substantial attention since Hamilton and Zuk posited that parasites are important drivers of sexual selection. However, short-term studies testing the assumption that these parasites consistently reduce host fitness in the wild have produced contradictory results. To address this complex issue, we conducted a long-term study examining the relationship between naturally occurring infection withHaemoproteusandPlasmodium, and lifetime reproductive success and survival of Mountain White-crowned Sparrows. Specifically, we tested the hypothesis that birds infected with haematozoan parasites have reduced survival (as determined by overwinter return rates) and reproductive success. Contrary to expectation, there was no relationship betweenHaemoproteusandPlasmodiuminfection and reproduction or survival in males, nor was there a relationship betweenPlasmodiuminfection and reproduction in females. Interestingly,Haemoproteus-infected females had significantly higher overwinter return rates and these females fledged more than twice as many chicks during their lifetimes as did uninfected females. We discuss the impact of parasitic infections on host fitness in light of these findings and suggest that, in the case of less virulent pathogens, investment in excessive immune defence may decrease lifetime reproduction.
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14

Barve, Sahas, Christina Riehl, Eric L. Walters, Joseph Haydock, Hannah L. Dugdale, and Walter D. Koenig. "Lifetime reproductive benefits of cooperative polygamy vary for males and females in the acorn woodpecker ( Melanerpes formicivorus )." Proceedings of the Royal Society B: Biological Sciences 288, no. 1957 (August 18, 2021): 20210579. http://dx.doi.org/10.1098/rspb.2021.0579.

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Cooperative breeding strategies lead to short-term direct fitness losses when individuals forfeit or share reproduction. The direct fitness benefits of cooperative strategies are often delayed and difficult to quantify, requiring data on lifetime reproduction. Here, we use a longitudinal dataset to examine the lifetime reproductive success of cooperative polygamy in acorn woodpeckers ( Melanerpes formicivorus ), which nest as lone pairs or share reproduction with same-sex cobreeders. We found that males and females produced fewer young per successful nesting attempt when sharing reproduction. However, males nesting in duos and trios had longer reproductive lifespans, more lifetime nesting attempts and higher lifetime reproductive success than those breeding alone. For females, cobreeding in duos increased reproductive lifespan so the lifetime reproductive success of females nesting in duos was comparable to those nesting alone and higher than those nesting in trios. These results suggest that for male duos and trios, reproductive success alone may provide sufficient fitness benefits to explain the presence of cooperative polygamy, and the benefits of cobreeding as a duo in females are higher than previously assumed. Lifetime individual fitness data are crucial to reveal the full costs and benefits of cooperative polygamy.
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15

Kilpatrick, A. Marm, Dennis A. LaPointe, Carter T. Atkinson, Bethany L. Woodworth, Julie K. Lease, Matthew E. Reiter, and Kevin Gross. "Effects of Chronic Avian Malaria (Plasmodium Relictum) Infection on Reproductive Success of Hawaii Amakihi (Hemignathus Virens)." Auk 123, no. 3 (July 1, 2006): 764–74. http://dx.doi.org/10.1093/auk/123.3.764.

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Abstract We studied the effects of chronic avian malaria (Plasmodium relictum) infections on the reproductive success of a native Hawaiian honeycreeper, Hawaii Amakihi (Hemignathus virens). Chronic malaria infections in male and female parents did not significantly reduce reproductive success as measured by clutch size, hatching success, fledging mass, number of nestlings fledged, nesting success (daily survival rate), and minimum fledgling survival. In fact, nesting success of pairs with chronically infected males was significantly higher than those with uninfected males (76% vs. 38%), and offspring that had at least one parent that had survived the acute phase of malaria infection had a significantly greater chance of being resighted the following year (25% vs. 10%). The reproduction and survival of infected birds were sufficient for a per-capita population growth rate >1, which suggests that chronically infected Hawaii Amakihi could support a growing population. Efectos de las Infecciones Crónicas de Malaria Aviaria (Plasmodium relictum) en el Éxito Reproductivo de Hemignathus virens
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16

Peters, Kathleen, Debra Jackson, and Trudy Rudge. "Failures of reproduction: problematising ?success? in assisted reproductive technology." Nursing Inquiry 14, no. 2 (June 2007): 125–31. http://dx.doi.org/10.1111/j.1440-1800.2007.00363.x.

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17

Gandini, Patricia, Esteban Frere, and P. Dee Boersma. "Status and conservation of Magellanic PenguinsSpheniscus magellanicusin Patagonia, Argentina." Bird Conservation International 6, no. 4 (December 1996): 307–16. http://dx.doi.org/10.1017/s0959270900001787.

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SummaryThere are 36 breeding colonies of Magellanic PenguinsSpheniscus magellanicusalong the coast of mainland Argentina. During the breeding period we counted the number of active nests and estimated the breeding population was approximately 652,000 pairs. Development of coastal areas is diminishing the quality of Magellanic Penguin breeding habitat and reducing penguin reproductive success. Adult mortality rates are increasing because of human activities. Maritime petroleum traffic and petroleum operations are known to cause mortality. Fishing activities cause incidental mortality and may negatively affect penguin foraging and reproductive success. In some areas, offal is increasing gull populations with a corresponding increase in predation on penguin eggs and chicks, thereby lowering reproductive success. These sources of mortality are relatively recent and are human caused. We found three areas where human activities are of particular concern: Península Valdés, Golfo San Jorge and Estrecho de Magallanes. Human impacts on Magellanic Penguin populations could be reduced, benefiting the tourist industry where yearly tens of thousands of people come to the provinces of Chubut and Santa Cruz to visit penguin colonies.Existen 36 colonias de pingüino de MagallanesSpheniscus magellanicusa lo largo de la costa Argentina. La población reproductiva se estimó en 652,000 parejas realizando un conteo de nidos activos durante la estación reproductiva. El desarrollo de las áreas costeras está reduciendo la calidad del hábitat de reproducción y el éxito reproductivo del pingüino de Magallanes. El tráfico de petróleo y las actividades relacionadas son conocidas causas de mortalidad. Las actividades pesqueras están causando mortalidad incidental y pueden estar afectando negativamente el éxito de alimentatión y reproductivo. En algunas áreas la basura está contribuyendo al aumento de la población de gaviotas, incrementándose la predación sobre huevos y pichones de pingüino reduciendo su éxito reproductivo. Estas fuentes de mortalidad son relativamente recientes y provocadas por el hombre. Hemos detectado tres áreas donde la mortalidad relacionada con actividades humanas es preocupante: Península Valdés, Golfo San Jorge y Estrecho de Magallanes. El impacto humano sobre la población de pingüino de Magallanes podría reducirse y beneficiar la industria turística de las provincias de Chubut y Santa Cruz, donde anualmente decenas de miles de personas visitan las colonias reproductivas del pingüino.
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18

Međedović, Janko. "Intelligence and Fitness: The Mediating Role of Educational Level." Evolutionary Psychology 15, no. 2 (April 1, 2017): 147470491770693. http://dx.doi.org/10.1177/1474704917706936.

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The evolutionary status of intelligence is not clear: It is positively related to various indicators of fitness but negatively to reproductive success as the most important fitness marker. In the present research, we explored the links between intelligence and three fitness indicators: number of children (short-term reproductive success), number of grandchildren (long-term reproductive success), and age at first birth. Participants were individuals in a postreproductive stage ( N = 191; mean age = 66.5 years). Intelligence had a positive correlation with short-term reproductive success and age at first birth but a negative correlation with long-term reproductive success. Participants’ education turned out to be a significant mediator of the link between intelligence and criterion measures. The results showed that intelligence can elevate short-term reproductive success. Furthermore, individuals with higher intellectual abilities tended to delay reproduction, which negatively affected their long-term reproductive success. Education was revealed as a very important resource which affects the link between cognitive abilities and fitness, thus proving its evolutionary role in contemporary populations.
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19

Kosciuch, Karl L., Andrew C. Kasner, and Keith A. Arnold. "Annual Reproductive Success of Culvert-Dwelling Cliff Swallows in East-Central Texas." Condor 103, no. 4 (November 1, 2001): 879–85. http://dx.doi.org/10.1093/condor/103.4.879.

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Abstract Most studies describing reproductive biology of an avian species provide some measure of annual reproductive success (ARS), frequently reported per nest or per egg. These measurements do not indicate the success of average females in the population. We report conventional measures of reproductive success along with ARS(b), number of broods successfully reared per female, and ARS(k), number of young successfully reared per female. We calculated ARS for four culvert-dwelling Cliff Swallow (Petrochelidon pyrrhonota) colonies in east-central Texas from 1982 to 1985 (n = 1805 nests) and compared our calculations of ARS with those reported for other regions. We analyzed differences in number of fledglings per female to estimate variation in ARS among years and among culverts. In east-central Texas, ARS differed significantly among years and among culverts. We attributed variation in ARS to predation and abiotic factors. Consistent reporting of ARS would facilitate comparisons among populations or species over multiple scales. Éxito Reproductivo Anual de Petrochelidon pyrrhonota que Forman Colonias en Puentes del Este-Central de Texas Resumen. La mayoría de los estudios que describen la biología reproductiva de especies de aves proveen alguna medida de éxito reproductivo anual (ERA), la cual, se reporta frecuentemente por nido o por huevo. Estas medidas no indican el éxito reproductivo de las hembras promedio de la población. Nosotros reportamos medidas convencionales de éxito reproductivo junto con el ERA(b), número de nidadas exitosamente criadas por hembra y ERA(k), número de juveniles exitosamente criados por hembra. Calculamos el ERA para cuatro colonias de Petrochelidon pyrrhonota que habitan puentes en el este-central de Texas desde 1982 hasta 1985 (n = 1805 nidos) y comparamos nuestros cálculos de ERA con aquellos reportados para otras regiones. Analizamos las diferencias en el número de pichones por hembra para estimar variaciones en el ERA entre años y entre puentes. En el este-central de Texas el ERA varió significativamente entre años y entre puentes. Atribuimos la variación en el ERA a depredación y factores abióticos. El informe consistente de valores de ERA facilitaría la comparación entre poblaciones y especies a través de múltiples escalas.
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McDonough, Paul G., and R. M. F. van der Weiden. "“Nothing Succeeds Like Success”." Fertility and Sterility 64, no. 5 (November 1995): 1046. http://dx.doi.org/10.1016/s0015-0282(16)57929-1.

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21

Crockford, Catherine, Liran Samuni, Linda Vigilant, and Roman M. Wittig. "Postweaning maternal care increases male chimpanzee reproductive success." Science Advances 6, no. 38 (September 2020): eaaz5746. http://dx.doi.org/10.1126/sciadv.aaz5746.

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Humans are unusual among animals for continuing to provision and care for their offspring until adulthood. This “prolonged dependency” is considered key for the evolution of other notable human traits, such as large brains, complex societies, and extended postreproductive lifespans. Prolonged dependency must therefore have evolved under conditions in which reproductive success is gained with parental investment and diminished with early parental loss. We tested this idea using data from wild chimpanzees, which have similarly extended immature years as humans and prolonged mother-offspring associations. Males who lost their mothers after weaning but before maturity began reproducing later and had lower average reproductive success. Thus, persistent mother-immature son associations seem vital for enhancing male reproductive success, although mothers barely provision sons after weaning. We posit that these associations lead to social gains, crucial for successful reproduction in complex social societies, and offer insights into the evolution of prolonged dependency.
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22

Wolff, Jerry O., and T. H. Clutton-Brock. "Reproductive Success: Implications and Limitations." Evolution 44, no. 2 (March 1990): 469. http://dx.doi.org/10.2307/2409427.

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&NA;. "PHYSICAL EXERTION AND REPRODUCTIVE SUCCESS." Epidemiology 5, no. 1 (January 1994): 4–5. http://dx.doi.org/10.1097/00001648-199401000-00002.

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Shulse, Christopher D., Raymond D. Semlitsch, Kathleen M. Trauth, and James E. Gardner. "AMPHIBIAN REPRODUCTIVE SUCCESS IN WETLANDS." Bulletin of the Ecological Society of America 93, no. 3 (July 2012): 236–37. http://dx.doi.org/10.1890/0012-9623-93.3.236.

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Fantino, Edmund. "Conditioned reinforcement and reproductive success." Behavioral and Brain Sciences 11, no. 1 (March 1988): 135. http://dx.doi.org/10.1017/s0140525x00053139.

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Dawkins, Richard. "Wealth, polygyny, and reproductive success." Behavioral and Brain Sciences 9, no. 1 (March 1986): 190–91. http://dx.doi.org/10.1017/s0140525x00022020.

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Whittaker, Danielle J., Nicole M. Gerlach, Helena A. Soini, Milos V. Novotny, and Ellen D. Ketterson. "Bird odour predicts reproductive success." Animal Behaviour 86, no. 4 (October 2013): 697–703. http://dx.doi.org/10.1016/j.anbehav.2013.07.025.

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Dresselhaus, Thomas, and Stefanie Sprunck. "Plant Fertilization: Maximizing Reproductive Success." Current Biology 22, no. 12 (June 2012): R487—R489. http://dx.doi.org/10.1016/j.cub.2012.04.048.

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Wolff, Jerry O. "REPRODUCTIVE SUCCESS: IMPLICATIONS AND LIMITATIONS." Evolution 44, no. 2 (March 1990): 469–71. http://dx.doi.org/10.1111/j.1558-5646.1990.tb05218.x.

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Nur, Nadav. "LIFETIME REPRODUCTIVE SUCCESS IN BIRDS." Evolution 45, no. 6 (September 1991): 1538–40. http://dx.doi.org/10.1111/j.1558-5646.1991.tb02660.x.

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Kovac, JasonR, and LarryI Lipshultz. "Sperm morphology and reproductive success." Asian Journal of Andrology 18, no. 3 (2016): 402. http://dx.doi.org/10.4103/1008-682x.179253.

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Clutton-Brock, T. H. "Reproductive Success in Red Deer." Scientific American 252, no. 2 (February 1985): 86–92. http://dx.doi.org/10.1038/scientificamerican0285-86.

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Mowbray, J. F. "Autoantibodies, alloantibodies and reproductive success." Current Opinion in Immunology 2, no. 5 (January 1990): 761–64. http://dx.doi.org/10.1016/0952-7915(90)90047-k.

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Moore, Lorna G., and Emile Crognier. "Introduction: strategies for reproductive success." American Journal of Human Biology 15, no. 3 (April 14, 2003): 293–95. http://dx.doi.org/10.1002/ajhb.10148.

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Strassmann, Beverly I., and Brenda Gillespie. "How to measure reproductive success?" American Journal of Human Biology 15, no. 3 (April 14, 2003): 361–69. http://dx.doi.org/10.1002/ajhb.10154.

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Smits, Luc. "Interpregnancy intervals and reproductive success." American Journal of Human Biology 16, no. 1 (2003): 96. http://dx.doi.org/10.1002/ajhb.10227.

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Kushnir, Vitaly A., David H. Barad, and Norbert Gleicher. "Defining assisted reproductive technology success." Fertility and Sterility 100, no. 4 (October 2013): e30. http://dx.doi.org/10.1016/j.fertnstert.2013.08.036.

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38

Solomon-Lane, Tessa K., Madelyne C. Willis, Devaleena S. Pradhan, and Matthew S. Grober. "Female, but not male, agonistic behaviour is associated with male reproductive success in stable bluebanded goby (Lythrypnus dalli) hierarchies." Behaviour 151, no. 10 (2014): 1367–87. http://dx.doi.org/10.1163/1568539x-00003188.

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In many social species, there are important connections between social behaviour and reproduction that provide critical insights into the evolution of sociality. In this study, we describe associations between agonistic behaviour and male reproductive success in stable social groups of bluebanded gobies (Lythrypnus dalli). This highly social, sex-changing species forms linear hierarchies of a dominant male and multiple subordinate females. Males reproduce with each female in the harem and care for the eggs. Since aggression tends to be associated with reduced reproduction in social hierarchies, we hypothesized that males in groups with high rates of aggression would fertilise fewer eggs. We also hypothesized that a male’s agonistic behaviour would be associated with his reproductive success. Dominants often exert substantial control over their harem, including control over subordinate reproduction. To address these hypotheses, we quantified egg laying/fertilisation over 13 days and observed agonistic behaviour. We show that there was a significant, negative association between male reproductive success and the total rate agonistic interactions by a group. While no male behaviours were associated with the quantity of eggs fertilised, female agonistic behaviour may be central to male reproductive success. We identified a set of models approximating male reproductive success that included three female behaviours: aggression by the highest-ranking female and approaches by the lowest-ranking female were negatively associated with the quantity of eggs fertilised by males in their groups, but the efficiency with which the middle-ranking female displaced others was positively associated with this measure. These data provide a first step in elucidating the behavioural mechanisms that are associated with L. dalli reproductive success.
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Weibel, Chelsea J., Jenny Tung, Susan C. Alberts, and Elizabeth A. Archie. "Accelerated reproduction is not an adaptive response to early-life adversity in wild baboons." Proceedings of the National Academy of Sciences 117, no. 40 (September 21, 2020): 24909–19. http://dx.doi.org/10.1073/pnas.2004018117.

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In humans and other long-lived species, harsh conditions in early life often lead to profound differences in adult life expectancy. In response, natural selection is expected to accelerate the timing and pace of reproduction in individuals who experience some forms of early-life adversity. However, the adaptive benefits of reproductive acceleration following early adversity remain untested. Here, we test a recent version of this theory, the internal predictive adaptive response (iPAR) model, by assessing whether accelerating reproduction following early-life adversity leads to higher lifetime reproductive success. We do so by leveraging 48 y of continuous, individual-based data from wild female baboons in the Amboseli ecosystem in Kenya, including prospective, longitudinal data on multiple sources of nutritional and psychosocial adversity in early life; reproductive pace; and lifetime reproductive success. We find that while early-life adversity led to dramatically shorter lifespans, individuals who experienced early adversity did not accelerate their reproduction compared with those who did not experience early adversity. Further, while accelerated reproduction predicted increased lifetime reproductive success overall, these benefits were not specific to females who experienced early-life adversity. Instead, females only benefited from reproductive acceleration if they also led long lives. Our results call into question the theory that accelerated reproduction is an adaptive response to both nutritional and psychosocial sources of early-life adversity in baboons and other long-lived species.
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Gaskins, Audrey J., Myriam C. Afeiche, Diane L. Wright, Thomas L. Toth, Paige L. Williams, Matthew W. Gillman, Russ Hauser, and Jorge E. Chavarro. "Dietary Folate and Reproductive Success Among Women Undergoing Assisted Reproduction." Obstetrics & Gynecology 124, no. 4 (October 2014): 801–9. http://dx.doi.org/10.1097/aog.0000000000000477.

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41

Ludwiczak, Agnieszka, and Marek Stanisz. "The Reproductive Success of Farmed American Mink (Neovison Vison) – A Review." Annals of Animal Science 19, no. 2 (April 1, 2019): 273–89. http://dx.doi.org/10.2478/aoas-2018-0061.

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AbstractThe aim of this review was to define the most important factors that affect the reproductive success of farmed mink. The biology of mink reproduction is unique when comparing it with other farmed fur animals. The article emphasizes the importance of optimal environmental conditions in prevention of reproductive disorders. The novel attempts to the mating schedule, optimal diet and body condition of dams, kits transfer between dams, these are only examples of advantageous procedures used in mink farming to increase the effectiveness of reproduction.
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42

Lynch, Robert F., and Emily C. Lynch. "The impact of parental investment on lifetime reproductive success in Iceland." PeerJ 5 (January 19, 2017): e2904. http://dx.doi.org/10.7717/peerj.2904.

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BackgroundDemonstrating the impact that parents have on the fitness of their children is a crucial step towards understanding how parental investment has affected human evolution. Parents not only transfer genes to their children, they also influence their environments. By analyzing reproductive patterns within and between different categories of close relatives, this study provides insight into the genetic and environmental effects that parents have on the fitness of their offspring.MethodsWe use data spanning over two centuries from an exceptionally accurate Icelandic genealogy, Íslendingabók, to analyze the relationship between the fertility rates of close relatives. Also, using genetic data, we determine narrow sense heritability estimates (h2) to further explore the genetic impact on lifetime reproductive success. Finally, we construct four simulations to model the expected contribution of genes and resources on reproductive success.ResultsThe relationship between the reproduction of all full sibling pairs was significant and positive across all birth decades (r = 0.19) while the reproductive relationship between parents and offspring was often negative across many decades and undetectable overall (r = 0.00) (Fig. 1 and Table 1). Meanwhile, genetic data among 8,456 pairs of full siblings revealed a narrow sense heritability estimate (h2) of 0.00 for lifetime reproductive success. A resources model (following the rule that resources are transmitted from parents to children, distributed equally among siblings, and are the only factor affecting reproductive success) revealed a similar trend: a negative relationship between parent and offspring reproduction (r = − 0.35) but a positive relationship among full siblings (r = 0.28). The relationship between parent and offspring lifetime reproductive success (LRS) and full sibling LRS was strongly and positively correlated across time (r = 0.799,p < 0.001). Similarly, the LRS among full siblings was positively correlated with both the LRS among half siblings (r = 0.532,p = 0.011) and the relationship between the LRS of aunts and uncles with their nieces and nephews (r = 0.438,p = 0.042).DiscussionWe show that an individual’s lifetime reproductive success is best predicted by the reproduction of their full and half siblings, but not their parents, grandparents or aunts and uncles. Because all siblings share at least one parent, we believe parental investment has had an important impact on fitness. Overall, these results indicate that direct parental investment, but not genes, is likely to have had an important and persistent impact on lifetime reproductive success across more than two centuries of Icelandic history.
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43

DuVal, Emily H. "Variation in annual and lifetime reproductive success of lance-tailed manakins: alpha experience mitigates effects of senescence on siring success." Proceedings of the Royal Society B: Biological Sciences 279, no. 1733 (November 16, 2011): 1551–59. http://dx.doi.org/10.1098/rspb.2011.1840.

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The causes of variation in individual reproductive success over a lifetime are not well understood. In long-lived vertebrates, reproductive output usually increases during early adulthood, but it is difficult to disentangle the roles of development and learning on this gain of reproductive success. Lekking lance-tailed manakins provide an opportunity to separate these processes, as the vast majority of male reproduction occurs after a bird obtains alpha status and maintains a display area in the lek, but the age at which males achieve alpha status varies widely. Using 11 years of longitudinal data on age, social status and genetic siring success, I assessed the factors influencing variation in siring success by individuals over their lifetimes. The data show increases in annual reproductive success with both age and alpha experience. At advanced ages, these gains were offset by senescence in fecundity. Individual ontogeny, rather than compositional change of the population, generated a nonlinear relationship of breeding tenure with lifetime success; age of assuming alpha status was unrelated to tenure as a breeder, or success in the alpha role. Importantly, these findings suggest that social experience can mitigate the negative effects of senescence in older breeders.
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Tsuji, Kazuki, and Nobuyuki Tsuji. "Indices of reproductive skew depend on average reproductive success." Evolutionary Ecology 12, no. 2 (February 1998): 141–52. http://dx.doi.org/10.1023/a:1006575411224.

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Panagakis, Andrea, Sandra Hamel, and Steeve D. Côté. "Influence of Early Reproductive Success on Longevity and Late Reproductive Success in an Alpine Ungulate." American Naturalist 189, no. 6 (June 2017): 667–83. http://dx.doi.org/10.1086/691388.

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JONES, THOMAS C., JONATHAN N. PRUITT, and SUSAN E. RIECHERT. "Reproductive success in a socially polymorphic spider: social individuals experience depressed reproductive success in isolation." Ecological Entomology 35, no. 6 (September 26, 2010): 684–90. http://dx.doi.org/10.1111/j.1365-2311.2010.01227.x.

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47

Festa-Bianchet, Marco. "The cost of trying: weak interspecific correlations among life-history components in male ungulates." Canadian Journal of Zoology 90, no. 9 (September 2012): 1072–85. http://dx.doi.org/10.1139/z2012-080.

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Life-history trade-offs are well known in female mammals, but have seldom been quantified for males in polygynous species. I compared age-specific mass, weapon size, survival, and reproductive success of males in eight species of ungulates, and found weak interspecific correlations among life-history traits. Young males tended to have higher reproductive success in rapidly-growing than in slow-growing species, and in species where horns or antlers reached near-asymptotic size over the first few years of life. There was no clear interspecific trade-off between early reproduction and early survival. Reproductive senescence was evident in most species. Generation length, calculated as the mean age of fathers, was negatively correlated with the reproductive success of young males and positively with life expectancy of 3-year-olds, but not with early mortality. The main determinant of male reproductive success in polygynous ungulates is the ability to prevail against competing males. Consequently, the number and age structure of competitors should strongly affect an individual’s ability to reproduce, making classic trade-offs among life-history traits very context-dependent. Most fitness costs of reproduction in male ungulates likely arise from energy expenditure and injuries sustained while attempting to mate. Individual costs may be weakly correlated with fitness returns.
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48

Murray, Bertram G. "Measuring Annual Reproductive Success in Birds." Condor 102, no. 2 (May 1, 2000): 470–73. http://dx.doi.org/10.1093/condor/102.2.470.

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Abstract From simulated data on three populations, I calculate different measures of “reproductive success”: clutch size, egg success (the proportion of eggs that produce young), nest success (the proportion of clutches that produce young), and the annual reproductive success per female in terms of both number of broods and number of young reared successfully during a breeding season. These measures of success are not correlated. Differences in egg success or nest success do not necessarily translate into differences in annual reproductive success, and differences in annual reproductive success do not necessarily translate into evolutionary success.
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Wilson, Gregory A., Wes Olson, and Curtis Strobeck. "Reproductive success in wood bison (Bison bison athabascae) established using molecular techniques." Canadian Journal of Zoology 80, no. 9 (September 1, 2002): 1537–48. http://dx.doi.org/10.1139/z02-147.

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In this study, we used 21 microsatellite loci to establish the reproductive success of the wood bison (Bison bison athabascae) population at Elk Island National Park, Alberta, Canada. Wood bison are considered threatened in Canada, and this population is currently used to found new populations. Despite the low levels of genetic variation in this population, we were able to establish paternity in 253 and maternity in 295 of the 317 calves born in Elk Island National Park over the 4-year study period. Roughly 40% of the mature males were reproductively successful each year. Mature males produced a mean of 3.8 offspring over the study period, with a range of 0–24. Each year, approximately 50–70% of the cows produced calves, with a mean of 2.7 over the study period. Multiple linear regressions were performed to determine the effects of age, mass, heterozygosity, prior success, and the year of conception on male and female reproductive success. Only mass and prior success were useful in predicting male reproductive success. Female reproductive success depended on age, mass, and prior success and was also affected by environmental differences between years. No evidence was found for inbreeding avoidance in wood bison.
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Sinsch, Ulrich, Katharina Hecht, Silvia Kost, Pablo R. Grenat, and Adolfo L. Martino. "Asymmetric Male Mating Success in Lek-Breeding Rhinella arenarum." Animals 12, no. 23 (November 24, 2022): 3268. http://dx.doi.org/10.3390/ani12233268.

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Mate choice is the attempt of an individual to gain higher reproductive fitness by preferring to mate with some individuals and not with others. We studied the role of mate choice in the mating system of the neotropical toad Rhinella arenarum by assessing male reproductive tactics for mate acquisition and the contribution of female choice for pair formation. In a shallow pond in central Argentina, we estimated male mating success and the corresponding reproductive tactics by focal observation. The variation of phenotypic and genotypic traits (size and shape, longevity, vocalization features, heterozygosity) was related to the observed mating success in 110 males. The phonotactic response of 21 reproductive females to conspecific advertisement call features was tested in arena experiments. Mating success was limited to 32 males, pair formation was size-assortative. The dominant reproductive tactics were advertising from call positions near suitable breeding sites and pre-mating fights with intruding males, whereas the interception of amplectant pairs and the displacement of mated males were never observed. Female phonotaxis was directed to conspecific choruses but complex and simple call structures were not distinguished. We conclude that the mating system is a lek combining pre-mating fights among males and female choice of slightly smaller males. Fights interfere with female choice, undermining size-assortative mating. This is a unique system in the R. marina species group, in which interception behavior dominates reproduction.
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