Role of Heredity in Egg Size Variation in the Great Tit Parus major and the Pied Flycatcher Ficedula hypoleuca

Ojanen, Mikko; Orell, Markku; Viiisiinen, Risto A.

doi:10.2307/3676340

Cited by 126 publications

(109 citation statements)

References 16 publications

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“…However, females succeeded in laying larger eggs in the experimental clutch. In the Great Tit, larger eggs contain more energy (Ojanen 1983). Furthermore, fledging success and adult survival of experimental birds were unaffected.…”

Section: Integration Of Parent and Offspring Fitnessmentioning

confidence: 99%

Seasonal Decline in Reproductive Success of the Great Tit: Variation in Time or Quality?

Verhulst

Balen

Tinbergen³

1995

Ecology

295

242

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Seasonal variation in reproductive success is a common feature of most organisms. To understand the evolution of breeding seasons and reproductive strategies of individual animals, it is necessary to assess the extent to which seasonal variation in reproductive success is causally related to seasonal variation in the environment ('timing' hypothesis), to differences in quality between early and late breeders or their territories ('quality' hypothesis), or to a combination of both. We manipulated timing of breeding in the Great Tit Parus major, a small passerine, to test these hypotheses. A group of experimentally delayed birds was created by removing first clutches, inducing birds to lay a replacement clutch. Reproductive success of delayed pairs was compared with control pairs that bred early and with pairs that bred late. We conclude that seasonal declines in reproductive success at the nestling stage and survival of adult females were caused by differences in quality between early and late breeders. Recruitment of fledglings into the breeding population and the occurrence of second clutches were causally related to the timing of breeding. The seasonal decline in clutch size was caused by a combination of timing and quality effects. We attempted to assess the relative importance of timing and quality in the seasonal decline in reproductive success, expressed as lifetime production of recruits. We tentatively conclude that 87% of the seasonal decline in lifetime reproductive success could be attributed to a timing effect per se, whereas quality differences between early and late breeders accounted for the remaining 13%.

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Section: Integration Of Parent and Offspring Fitnessmentioning

confidence: 99%

Seasonal Decline in Reproductive Success of the Great Tit: Variation in Time or Quality?

Verhulst

Balen

Tinbergen³

1995

Ecology

295

242

View full text Add to dashboard Cite

show abstract

“…Wawrzyniak & Sohns 1986). To date, repeatability of egg dimensions has been studied only in a few small Passerines, mainly hole-nesting species (Ojanen et al 1979, van Noordvijk 1987. Studies on repeatability of egg dimensions in ground, open nest species are exceptionally rare (but see Hendricks 1991), while data from marshland species are completely lacking.…”

Section: Introductionmentioning

confidence: 99%

Repeatability of Egg Dimensions within the Clutches of Bearded TitPanurus biarmicus

Surmacki¹,

Stępniewski²,

Zduniak³

2003

Acta Ornithologica

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“…The role of temperature versus other factors affecting egg volum e M any authors agree that 60-80% of the variation in egg size can be attributed to the m aternal effects (Ojanen et al 1979, van Noordw ijk et al 1981, Potti 1993), but it is not possible to separate the di rect additive genetic variance from the m aternal en vironm ental variance (Roff 1997). In the Goldcrest, the m ean tem perature during the periods of 3, 4, 5, 7, or 9 days before laying accounted for 7-10% of the variation in egg weight, and during the period of 11 days for 11% (H aftom 1986).…”

Section: Discussionmentioning

confidence: 99%

The Effect of Trends in Ambient Temperature on Egg Volume in the Tree SparrowPasser montanus

2003

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Abstract. The effect of am bient tem perature before and du rin g laying on egg volum e in b irds has been studied by m any authors. The objective of this pap er is to show th at tren d s in daily tem peratures changes can also influence egg volum e. The stu d y w as carried o ut near W arsaw, Poland in 1994 and 1995. We ascertained the laying sequence, size and volum e of 1070 eggs in 211 clutches of the Tree Sparrow. The effect of the trend in tem perature on the m ean egg volum e in a clutch explained 0.4% of its variation (0.03% to 4.2%, d epending on the brood-period), and the effect of actual tem perature explained 0.9% (0.5% to 1.6% dep en d in g on the brood-period). The joint effect of tem perature and its trend explained 3.1% (1.7% to 8.9% dep en d in g on the brood-period) of variation in the m ean egg volum e in a clutch. The au th o rs discuss possible m echanism s of the effect of tem perature and tem perature trend on egg volum e.

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Role of Heredity in Egg Size Variation in the Great Tit Parus major and the Pied Flycatcher Ficedula hypoleuca

Cited by 126 publications

References 16 publications

Seasonal Decline in Reproductive Success of the Great Tit: Variation in Time or Quality?

Seasonal Decline in Reproductive Success of the Great Tit: Variation in Time or Quality?

Repeatability of Egg Dimensions within the Clutches of Bearded TitPanurus biarmicus

The Effect of Trends in Ambient Temperature on Egg Volume in the Tree SparrowPasser montanus

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