Diminished Plant Richness and Abundance Below Lonicera maackii, an Invasive Shrub

Collier, Matthew H.; Vankat, John L.; Hughes, Michael R.

doi:10.1674/0003-0031(2002)147[0060:dpraab]2.0.co;2

Cited by 227 publications

(160 citation statements)

References 31 publications

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“…This invasive shrub greatly reduces the diversity and abundance of the ground layer through allelopathy and light competition (Deering and Vankat 1999;Collier et al 2002;Miller and Gorchov 2004;Meiners 2007;Hartman and McCarthy 2008;McEwan et al 2010 ). Amur honeysuckle can dominate the seed bank (Hartman and McCarthy 2008), producing thousands of berries, each with up to ten seeds (Luken and Thieret 1996).…”

Section: Introductionmentioning

confidence: 99%

“…Native small mammal species interact with invasive species as seed predators and dispersers (Manson and Stiles 1998;Williams 1999;Horncastle et al 2004), potentially spreading invasive plants through caching (Abbott and Quink 1970;Orrock et al 2010) and thus reducing native plant diversity (Collier et al 2002;Gorchov and Trisel 2003). The ability of small mammals to use the microhabitat in and around areas experiencing plant invasion, and to use the invasive plants themselves, affects the likelihood of persistence for both the small mammals and native plants in urban ecosystems Small mammal species that persist within urban parks and green spaces are primarily generalists (Mahan and O'Connell 2005;Cavia et al 2009).…”

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

“…is a common invasive shrub found in many urban ecosystems in the US (Luken and Thieret 1996;Hutchinson and Vankat 1998). Amur honeysuckle creates a dense canopy of vegetation (Hartman and McCarthy 2008) and reduces diversity and abundance of herbs, trees, and shrubs below its canopy through allelopathy and light competition (Deering and Vankat 1999;Collier et al 2002;Miller and Gorchov 2004;Meiners 2007;Hartman and McCarthy 2008;McEwan et al 2010). A single adult shrub can produce thousands of berries (Luken and Thieret 1996), though they have low nutritional quality (Ingold and Craycraft 1983).…”

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

“…One component of some urban forests that can potentially affect small mammals is the presence of a dense shrub layer (Chupp et al 2013) like that created by Amur honeysuckle (Collier et al 2002;Hartman and McCarthy 2008). This strong canopy layer could be advantageous for small mammals in parks; however the reduced vegetative density may also reduce potential food resources.…”

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

“…in mediating anti-predator behavior. Lonicera maackii suppresses the vegetative community in which it establishes (Collier et al 2002;Gorchov and Trisel 2003;Miller and Gorchov 2004;McEwan et al 2010), and its canopy dominates the shrub layer (Hartman and McCarthy 2008). Mattos and Orrock (2010) and Dutra et al (2011) worked in the same wildlife conservation forest to show that P. leucopus preferentially foraged under L. maackii canopy as a response to potential predators.…”

Section: Introductionmentioning

confidence: 99%

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Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

Persons

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Persons, William, "Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park." (2015). Urban ecosystems demonstrate high levels of anthropogenic land-use change, modification of abiotic inputs, and altered disturbance regimes; these changes directly alter habitats. These changes result in reduced native biodiversity, creating available niches often filled by invasive species. Urban parks often serve as reserves for native species less suited to survival in urban areas, helping to preserve native biodiversity through mitigation of anthropogenic effects. Understanding what changes affect these urban parks, how the vegetative community responds, and how species (small mammals in particular) modify their behaviors to persist in these areas will increase our ability to manage urban areas for maximum biodiversity.This research project took place in Twin Parks, a forested bottomland urban park.The vegetative community, habitat structure, human presence, and the small mammal community were assessed at multiple scales. Giving-Up Density was also assessed.Chapter 1 assesses the habitat at a macro scale, determining what elements of the vegetative community, vertical structure, and environment contribute to patterns of white-footed mouse (Peromyscus leucopus) capture. Chapter 2 assesses habitat selection viii at a microhabitat scale, examining how P. leucopus uses the specific invasive Amur honeysuckle (Lonicera maackii). Chapter 3 examines P. leucopus anti-predator responses in relation to coarse woody debris (CWD) and honeysuckle canopy cover using GivingUp-Density trials.White-footed mice select for areas of greater canopy cover at the macro scale.White-footed mice selected for areas with more CWD at the micro-scale, while also potentially avoiding higher invasive species richness. White-footed mice preferentially foraged under the honeysuckle canopy in response to changes in temperature and humidity. This study suggests that the interaction between P. leucopus and ground layer invasive species is complex, and that the effect of moonlight may be diminished in this urban park.ix

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Section: Introductionmentioning

confidence: 99%

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

Section: Leucopus) Habitat Selection In An Urban Forest Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

Persons

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Basal bark herbicide treatment of Lonicera maackii (Amur honeysuckle) is effective regardless of application timing, with limited nontarget effects on native plant diversity

Hogan,

Baker,

Bach

et al. 2024

Ecol Sol and Evidence

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Managers tasked with controlling invasive species require effective methods that are quick and easy to use without inflicting extensive nontarget damage, while also being compatible with other scheduled management responsibilities. Lonicera maackii (Amur honeysuckle) is a non‐native shrub that has invaded eastern and midwestern North American deciduous forests, altering ecosystem function and reducing biodiversity. This study explores prescribed fire and seasonal basal applications of triclopyr ester as control methods and examines the extent of nontarget damage. We used paired‐split plots to implement basal bark treatments in different seasons within burned and unburned units, and we tracked individual L. maackii to determine mortality and hyperlocal impacts of management. Basal bark treatments killed 98.4% of L. maackii across seasonal timings. Nontarget plant cover declined similarly for all herbicide application seasons, but there were some signs of recovery within 4 years, and the early‐ and late spring treatments were less affected overall. Species richness showed biologically small but statistically different declines across treatment times. Prescribed fire did not impact L. maackii mortality or interact with herbicide efficacy. Basal bark applications of triclopyr are an effective means of L. maackii control regardless of application timing, which allows managers to implement it at their convenience to avoid interfering with other management tasks that have time constraints.

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Plant community dynamics following non‐native shrub removal depend on invasion intensity and forest site characteristics

2023

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Globally, temperate deciduous forests are threatened by invasion of non‐native (exotic) plant species. In the eastern United States, Rosa multiflora is a dominant shrub invader in forests, which often forms dense thickets that reduce sunlight availability in the understory, where decreased native plant diversity and abundance are observed. Management and restoration are difficult but desirable, especially when invasion intensity is still low. Few studies have examined the relative success of different management strategies under varying invasion intensities. Our study objectives were to conduct a R. multiflora removal experiment in three forest sites experiencing different invasion intensities and to restore native plant biodiversity while preventing secondary invasion. We utilized three management strategies: invasive plant removal, removal followed by native seed addition, and removal plus native seed and mulched invasive stem addition. We investigated the similarity between seed bank species composition and existing vegetation before and after removal to assess the potential for passive restoration. Two seasons after removal, we found that simply removing roses increased native species richness, native floristic quality assessment (FQAIN), and native shrub abundance in our medium invasion site, and total species richness in our low and medium invasion sites. Compared to removal alone, native seed addition, with and without mulch addition, resulted in larger native and total species richness and FQAIN increases at all sites, larger increases in native shrub abundance and exotic species richness in our medium invasion site, and larger reductions in exotic and total shrub abundance in our low and medium invasion sites. Following removal, species similarity between the seed bank and vegetation improved for all three sites. Our results indicate that removal of R. multiflora alone increased native plant biodiversity in the medium invasion scenario, but the seed bank may not provide a large native species pool. Additional management strategies lead to improved outcomes, especially in our most invaded forest, demonstrating the need to conduct multiple plant removal treatments across forests with varying site conditions and plant invasion intensity to improve management recommendations.

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Diminished Plant Richness and Abundance Below Lonicera maackii, an Invasive Shrub

Cited by 227 publications

References 31 publications

Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

Basal bark herbicide treatment of Lonicera maackii (Amur honeysuckle) is effective regardless of application timing, with limited nontarget effects on native plant diversity

Plant community dynamics following non‐native shrub removal depend on invasion intensity and forest site characteristics

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