Academic literature on the topic 'Predator satiation hypothesis'

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Journal articles on the topic "Predator satiation hypothesis"

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Greenberg, C. H., and S. J. Zarnoch. "A test of the predator satiation hypothesis, acorn predator size, and acorn preference." Canadian Journal of Forest Research 48, no. 2 (2018): 237–45. http://dx.doi.org/10.1139/cjfr-2017-0381.

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Mast seeding is hypothesized to satiate seed predators with heavy production and reduce populations with crop failure, thereby increasing seed survival. Preference for red or white oak acorns could influence recruitment among oak species. We tested the predator satiation hypothesis, acorn preference, and predator size by concurrently measuring acorn production, mouse abundance, and white versus red oak acorn removal rates in exclosures allowing access by mice (HW), squirrels and smaller-sized vertebrates (WW), or all-sized vertebrates (C) for 12 years. Annual removal rate varied, but virtually
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Numata, Shinya, Naoki Kachi, Toshinori Okuda, and N. Manokaran. "Chemical defences of fruits and mast-fruiting of dipterocarps." Journal of Tropical Ecology 15, no. 5 (1999): 695–700. http://dx.doi.org/10.1017/s026646749900111x.

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Mast-fruiting is the intermittent and synchronous production of large fruits by a population of plants at long intervals (Herrera et al. 1998, Kelly 1994). Several hypotheses have been proposed concerning the adaptive advantages of mast-fruiting (Janzen 1971, 1974; Kelly 1994), and some field observations have provided evidence for these hypotheses (Norton & Kelly 1988, Shibata et al. 1998, Sork 1993). The predator-satiation hypothesis is one well-known explanation for reproductive synchrony in plants and animals (Janzen 1971, 1974; Kelly 1994). This hypothesis claims that mast fruiting at
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Boudreau, S., and M. J. Lawes. "Density- and distance-dependent seedling survival in a ballistically dispersed subtropical tree species Philenoptera sutherlandii." Journal of Tropical Ecology 24, no. 1 (2008): 1–8. http://dx.doi.org/10.1017/s026646740700466x.

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Abstract:We examine the density- and distance-dependent seedling survival of Philenoptera sutherlandii, a common pod-bearing and dehiscent legume (Fabaceae) in Ongoye Forest, South Africa. Short-range ballistic dispersal causes seed to fall beneath the parent tree, where density- or distance-dependent mortality effects are expected to be concentrated. One hundred and eighty marked seedlings were monitored in a 0.5-ha plot containing 30 adults. Our survival data do not support the escape hypothesis. Predation levels declined with increasing seedling density (positive density-dependent survival)
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Picman, Jaroslav, Stanislav Pribil, and Andre Isabelle. "Antipredation Value of Colonial Nesting in Yellow-Headed Blackbirds." Auk 119, no. 2 (2002): 461–72. http://dx.doi.org/10.1093/auk/119.2.461.

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Abstract Yellow-headed Blackbirds (Xanthocephalus xanthocephalus) in Manitoba breed in dense colonies in cattail marshes. Their reproductive success is affected mainly by predation. The most important predator on blackbird nests is the Marsh Wren (Cistothorus palustris), which breaks blackbird eggs and kills small nestlings. We examined whether colonial nesting in Yellow-headed Blackbirds may represent an adaptation to reduce Marsh Wren predation. Marsh Wren predation may be reduced by (1) mutual nest defense by adult blackbirds, (2) predator satiation or dilution, or (3) selfish-herd effects.
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Pizo, M. A., and E. M. Vieira. "Palm harvesting affects seed predation of Euterpe edulis, a threatened palm of the Brazilian Atlantic Forest." Brazilian Journal of Biology 64, no. 3b (2004): 669–76. http://dx.doi.org/10.1590/s1519-69842004000400015.

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The palm tree Euterpe edulis is endemic to the Atlantic Forest, where it constitutes an economically important forest product. The often unplanned and illegal harvesting of palm hearts has led to drastic reductions in the populations of E. edulis in many areas where this palm used to be the dominant understorey tree species. We investigated the effects of harvesting on seed and seedling predation of E. edulis. We tested the predictions of the dominance-predation hypothesis according to which predator satiation leads to an inverse relationship between the amount of predation and the dominance o
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Xiao, Zhishu, Zhibin Zhang, and Charles J. Krebs. "Long-term seed survival and dispersal dynamics in a rodent-dispersed tree: testing the predator satiation hypothesis and the predator dispersal hypothesis." Journal of Ecology 101, no. 5 (2013): 1256–64. http://dx.doi.org/10.1111/1365-2745.12113.

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Donaldson, John S. "Mast-seeding in the cycad genus Encephalartos: a test of the predator satiation hypothesis." Oecologia 94, no. 2 (1993): 262–71. http://dx.doi.org/10.1007/bf00341326.

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Farkas, Timothy E., and Gabriela Montejo-Kovacevich. "Density-dependent selection closes an eco-evolutionary feedback loop in the stick insect Timema cristinae." Biology Letters 10, no. 12 (2014): 20140896. http://dx.doi.org/10.1098/rsbl.2014.0896.

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Empirical demonstrations of feedbacks between ecology and evolution are rare. Here, we used a field experiment to test the hypothesis that avian predators impose density-dependent selection (DDS) on Timema cristinae stick insects. We transplanted wild-caught T. cristinae to wild bushes at 50 : 50 cryptic : conspicuous morph ratio and manipulated density by transplanting either 24 or 48 individuals. The frequency of the conspicuous morph was reduced by 73% in the low-density treatment, but only by 50% in the high-density treatment, supporting a hypothesis of negative DDS. Coupled with previous
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Linhart, Yan B., Xoaquín Moreira, Marc A. Snyder, and Kailen A. Mooney. "Variability in seed cone production and functional response of seed predators to seed cone availability: support for the predator satiation hypothesis." Journal of Ecology 102, no. 3 (2014): 576–83. http://dx.doi.org/10.1111/1365-2745.12231.

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Żywiec, Magdalena, Jan Holeksa, Mateusz Ledwoń, and Piotr Seget. "Reproductive success of individuals with different fruit production patterns. What does it mean for the predator satiation hypothesis?" Oecologia 172, no. 2 (2012): 461–67. http://dx.doi.org/10.1007/s00442-012-2502-x.

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Dissertations / Theses on the topic "Predator satiation hypothesis"

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Asano, Iku. "Patterns of dipterocarp seed utilization by insect seed predators in a Bornean tropical rain forest." Kyoto University, 2019. http://hdl.handle.net/2433/242725.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第21848号<br>人博第877号<br>新制||人||210(附属図書館)<br>2018||人博||877(吉田南総合図書館)<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授 市岡 孝朗, 教授 加藤 眞, 教授 瀬戸口 浩彰, 准教授 西川 完途<br>学位規則第4条第1項該当
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