Use of Successional Habitat and Fruit Resources by Songbirds During Autumn Migration in Central New Jersey

Suthers, Hannah B.; Bickal, Jean M.; Rodewald, Paul G.

doi:10.1676/0043-5643(2000)112[0249:uoshaf]2.0.co;2

Cited by 69 publications

(42 citation statements)

References 23 publications

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“…Two factors likely contribute to the underestimation of the importance of plant species composition in shaping the distribution and abundance patterns of migrants at stopover sites: (1) many studies have addressed habitat use at the scale of relatively broad vegetation types in which vegetation architecture may be of overriding importance and (2) the general lack of studies evaluating associations between plant species composition and migratory bird distributions at stopover sites. In studies in which researchers have considered plant species composition in their assessment of bird-habitat associations during migration, they have usually found significant patterns, although these relationships are evident primarily in fruit-eating species and often at small spatial scales within broad vegetation types (Martin 1985, Barrow et al 2000, Suthers et al 2000. However, associations between plant species composition and bird distributions are likely to extend beyond the direct relationship between frugivores and nectarivores and edible, fruit-or nectar-bearing plant species, respectively (Rotenberry 1985, Barrow et al 2000.…”

Section: Relative Importance Of Vegetation Architecture and Plant Spementioning

confidence: 99%

Scale-Dependent Habitat Use by Fall Migratory Birds: Vegetation Structure, Floristics, and Geography

Deppe¹,

Rotenberry

2008

Ecological Monographs

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Abstract. Animal habitat selection is a central focus of ecology and conservation biology. Understanding habitat associations in migratory animals is particularly complicated because individuals have variable habitat requirements during the annual cycle, across their geographic range, along migratory routes, and at multiple spatial scales. We studied habitat associations of 16 fall Nearctic-Neotropical migratory land birds at two spatial scales at a stopover site along the northern Yucatan coast to examine scale-dependent habitat use, identify proximate cues shaping birds' distributions, and evaluate similarities in habitat use between our tropical stopover site and temperate sites. We addressed scale-dependent habitat associations in two ways, by (1) quantifying species' distributions among and within broad vegetation types and (2) comparing migrants' associations with architectural gradients between the two spatial scales. We also evaluated the relative importance of vegetation architecture and floristics in explaining migrants' distributions within broad coastal vegetation types.Bird species were nonrandomly distributed among broad-and fine-scale vegetation types, and patterns of habitat use varied between the two scales. Moreover, birds had different preferences for vegetation architecture at the two scales, which may reflect trade-offs between competing demands and/or reduced variation in vegetation at the small scale in our study. These findings illustrate the manner in which spatial scale and range of vegetation variation influence perceptions of animal-habitat associations. Within broad coastal vegetation types birds refined their distributions in relation to architectural and floristic attributes, which provided them with redundant and/or complementary information regarding the distribution of suitable habitat. We suggest that the relative importance of architecture and floristics is likely scale-dependent. Habitat use at our site was similar to that observed at temperate stopover sites for almost all species, indicating that habitat affinities are maintained along the migratory route for these eastern populations despite latitudinal changes in environmental factors. We highlight examples of similar patterns observed in other migratory and nonmigratory animals to illustrate the generality of these patterns beyond en route land birds and our tropical site. We also indicate where we expect to see differences and outline areas of research that merit greater attention in order to advance our understanding of animal habitat selection.

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Section: Relative Importance Of Vegetation Architecture and Plant Spementioning

confidence: 99%

Scale-Dependent Habitat Use by Fall Migratory Birds: Vegetation Structure, Floristics, and Geography

Deppe¹,

Rotenberry

2008

Ecological Monographs

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“…In the southern US, the peak bloom occurs in April and May, and there is a subsequent blooming from September through November (Pair 1994). In central New Jersey, L. japonica fruits ripen in October and persist into the winter (Suthers et al 2000), and in the southeastern U.S. they are present from September to November.…”

Section: Growth and Developmentmentioning

confidence: 99%

“…The caloric and crude protein values were within the range normally required by mammalian herbivores, and the phenolic content was considered relatively low. Suthers et al (2000) reported that their fruit were 1.6% lipid and 50.3% carbohydrate. Handley (1945) recorded 10.42% crude protein, 7.86% fat, and 6.65% crude fiber.…”

Section: Reproductionmentioning

confidence: 99%

“…Birds and small mammals have often been listed as dispersal agents for L. japonica (White and Stiles 1992;Suthers et al 2000). Birds that have been observed to eat the fruits in North America include wild turkey, bobwhite, mockingbird, white-throated sparrow, white-crowned sparrow, dark-eyed junco, American robin, purple finch, goldfinch, bluebird, pine grosbeak, hermit thrush and house finch (Martin et al 1951;Handley 1945;Schierenbeck 2004).…”

Section: Reproductionmentioning

confidence: 99%

“…Suthers et al (2000) assessed fruit consumption by fall migratory songbirds in central New Jersey and found that fruits of L. japonica were favored. In particular, 54-60% of the diet of neotropical Catharus thrushes feeding in panicled dogwood shrubland was comprised of L. japonica (based on seed recovery from feces).…”

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confidence: 99%

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The biology of Canadian weeds. 135. Lonicera japonica Thunb.

Larson¹,

Catling²,

Waldron³

2007

Can. J. Plant Sci.

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Japanese honeysuckle (Lonicera japonica Thunb.) is a twining semi-evergreen vine native to Japan, Korea and eastern China. Over the past 150 yr it has been introduced as an ornamental and become established in temperate and tropical regions worldwide. It was first discovered in Canada in 1976 in southwestern Ontario woodlands and has since been found growing without cultivation in 15 localities. While L. japonica does not occur very frequently in southern Ontario, climate change models suggest that it may become more abundant in this region. Its predominance elsewhere derives from morphological and physiological characteristics that allow it to be particularly successful in the edge habitats of fragmented landscapes. Through extensive vegetative propagation and competitive ability it occupies space which may otherwise host a diverse native flora. The plant has many uses in Asian medicine and is a popular ornamental, but has been prohibited in some regions due to its displacement of other species. A combination of cutting and foliar application of glyphosate has proven to be an effective control method in some circumstances. Planting of L. japonica should be discouraged and horticulturalists should consider alternative attractive vines. The spread of L. japonica should be monitored in Ontario and control of newly established populations should be considered to avoid costly large scale control in the future. Key words: Invasive species, Lonicera japonica, weed biology, climate change

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Herbarium specimens show patterns of fruiting phenology in native and invasive plant species across New England

Gallinat

Russo

Melaas

et al. 2018

American J of Botany

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Herbarium specimens can be used to detect patterns in fruiting times among species. However, the amount of intraspecific variation in fruiting times explained by temporal, geographic, and climatic predictors is small, due to a combination of low temporal resolution of fruiting specimens and the protracted nature of fruiting. Later fruiting times in invasive species, combined with delays in autumn bird migrations in New England, may increase the likelihood that migratory birds will consume and disperse invasive seeds in New England later into the year.

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Use of Successional Habitat and Fruit Resources by Songbirds During Autumn Migration in Central New Jersey

Cited by 69 publications

References 23 publications

Scale-Dependent Habitat Use by Fall Migratory Birds: Vegetation Structure, Floristics, and Geography

Scale-Dependent Habitat Use by Fall Migratory Birds: Vegetation Structure, Floristics, and Geography

The biology of Canadian weeds. 135. Lonicera japonica Thunb.

Herbarium specimens show patterns of fruiting phenology in native and invasive plant species across New England

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