A Comparison of Seed Predation, Seed Dispersal, and Seedling Herbivory in Oak and Hickory: Species with Contrasting Regenerating Abilities in a Bluegrass Savanna-Woodland Habitat

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A Comparison of Seed Predation, Seed Dispersal, and Seedling Herbivory in Oak and Hickory: Species with Contrasting Regenerating Abilities in a Bluegrass Savanna-Woodland Habitat

机译：橡树和山胡桃种子捕食，种子散布和幼苗食草的比较：蓝草稀树草原-林地栖息地中具有不同再生能力的物种

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Quercus (oak) regeneration failure threatens many forest and savanna communities worldwide, where preservation of vegetation structure and composition depends on acorns germinating and surviving into adulthood. However, predation on the acorns and browsing of seedlings limits oak regeneration. To better understand the effects of these 2 mechanisms on oak recruitment in the endangered Bluegrass savanna-woodland of Kentucky, we compared seed predation and herbivory on Quercus muehlenbergii (Chinquapin Oak) with Carya laciniosa (Shellbark Hickory), a successfully regenerating tree species. Compared to hickory nuts, acorns were predated more, cached less, and dispersed shorter distances. Neither the distribution of the seedlings under the parent canopy nor browse damage differed between the 2 species. Our results suggest that seed-predation prevents regeneration of oaks in this endangered community.

机译：栎树（橡木）的再生失败威胁着世界各地的许多森林和热带稀树草原社区，那里的植被结构和成分的保存取决于橡子的萌芽并存活到成年期。但是，对橡子的捕食和对幼苗的浏览限制了橡树的再生。为了更好地了解这两种机制对肯塔基州濒临灭绝的蓝草大草原森林中橡树募集的影响，我们比较了Quercus muehlenbergii（Chinquapin橡树）和Carya laciniosa（Shellbark Hickory）（一种成功再生的树种）上的种子捕食和食草性。与山核桃坚果相比，橡子被捕食得更多，被捕食的次数更少，并且散布的距离更短。两种树种在父冠下的幼苗分布和浏览损伤均无差异。我们的结果表明，在这个濒临灭绝的群落中，种子捕食阻止了橡树的再生。

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《Northeastern Naturalist》 |2016年第4期|共16页
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1. A Comparison of Seed Predation, Seed Dispersal, and Seedling Herbivory in Oak and Hickory: Species with Contrasting Regenerating Abilities in a Bluegrass Savanna-Woodland Habitat [J] . Northeastern Naturalist . 2016,第4期

机译：橡树和山胡桃种子捕食，种子散布和幼苗食草的比较：蓝草稀树草原-林地栖息地中具有不同再生能力的物种
2. Factors affecting post-dispersal seed predation in two coexisting oak species: Microhabitat, burial and exclusion of large herbivores [J] . Pcbrez-Ramos Ignacio M., Maraclcdn Teodoro Forest Ecology and Management . 2008,第8a9期

机译：影响两种同时存在的橡树物种的种子扩散后捕食的因素：微生境，埋葬和排除大型草食动物
3. Pre-dispersal acorn predation in mixed oak forests: interspecific differences are driven by the interplay among seed phenology, seed size and predator size [J] . Espelta Josep M., Bonal Racl, ScLnchez-Humanes Belcbn The Journal of Ecology . 2009,第6期

机译：混合橡树林中的散布前橡子捕食：种间差异是由种子物候，种子大小和捕食者大小之间的相互作用驱动的
4. Seed Predation, Seed Dispersal and Habitat Fragmentation: Does Context Make a Difference in Tropical Australia? [C] . Andrew J. Dennis, Geoffrey J. Lipsett-Moore, Graham N. Harrington Symposium on "Post-Primary Seed Fate: Predation and Secondary Dispersal" . 2005

机译：种子捕食，种子分散和栖息地分散：情境对热带澳大利亚有所作为吗？
5. Phenology, reproductive potential, seed dispersal and predation, and seedling establishment of three invasive plant species in a Hawaiian rain forest. [D] . Medeiros, Arthur C. 2004

机译：夏威夷雨林中三种入侵植物物种的物候，生殖潜能，种子传播和捕食以及幼苗的建立。
6. Latitudinal variation in seed predation correlates with latitudinal variation in seed defensive and nutritional traits in a widespread oak species [O] . Xoaquín Moreira, Luis Abdala-Roberts, Hans Henrik Bruun, 2020

机译：种子捕食中的延迟变化与广泛橡木种类中的种子防御性和营养性状的纬度变化相关
7. Table 2: GzLM fitted to analyzeG. luteareproductive output (total seed number) and its relationship with the livestock herbivory (0/1), the pollinator visitation rate (No. visits/minute), the escape from seed predation ( fruits not affected by seed predators), insect herbivory (percentage of per-plant herbivory) and the population effect. [O] . -1

机译：表2：GZLM适用于分析。 LuteareProductive产出（总种子数量）及其与牲畜食草动物（0/1）的关系，粉丝探视率（次次访问/分钟），从种子捕食中逃逸（％捕食者不影响的％水果），昆虫草本（每植物食草动物的百分比）和人口效应。
8. Seeding Habits of Upper-Slope Tree Species. III. Dispersal of White and Shasta Red Fir Seeds on a Clearcut [R] . Franklin, J. F. , Smith, C. E. 1974

机译：上坡树种的播种习性。 III。在Clearcut上分散白色和shasta红色冷杉种子

A Comparison of Seed Predation, Seed Dispersal, and Seedling Herbivory in Oak and Hickory: Species with Contrasting Regenerating Abilities in a Bluegrass Savanna-Woodland Habitat

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