Factors Influencing the Planting Success of Justicia americana (L.) Vahl (American Water Willow) in a State Scenic River in Ohio

IF 0.5 4区环境科学与生态学 Q4 BIODIVERSITY CONSERVATION

Northeastern Naturalist Pub Date : 2023-11-30 DOI:10.1656/045.030.0405

Grace Brubaker, Peter C. Smiley, Jon P. Bossley

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引用次数: 0

Abstract

Abstract - To address the dearth of information on Justicia americana (American Water Willow) establishment and occurrence in rivers, we conducted a 4-year study in 2 Ohio state scenic rivers to evaluate the factors influencing planting success. We surveyed 1 river with extensive American Water Willow colonies and then planted American Water Willow at 15 sites in another river largely devoid of American Water Willow colonies. We also compared hydrologic regimes between the 2 rivers. Percent occurrence of planted individuals was greatest in sites receiving 1 early spring planting of dormant individuals and 2 summer plantings of non-dormant individuals. Percent survival differed only in 2021 and was greatest in sites receiving 1 early spring planting of dormant individuals and 2 summer plantings of non-dormant individuals. Greater percent survival was associated with cobble-dominated substrate compared to clay-, sand-, or gravel-dominated substrates. Colony survival and flooding frequency were greater in the river with extensive existing colonies than in the river with few existing colonies and greater flooding intensity. Our results suggest that the establishment and growth of American Water Willow are influenced by planting method, substrate type, and flooding intensity.

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影响俄亥俄州一条州立景观河中美国水柳（Justicia americana (L.) Vahl）种植成功的因素

摘要-为了解决有关美国水柳（Justicia americana）在河流中建立和出现的信息匮乏问题，我们在俄亥俄州的 2 条风景优美的河流中进行了为期 4 年的研究，以评估影响种植成功的因素。我们调查了一条有大量美国水柳群落的河流，然后在另一条基本没有美国水柳群落的河流的 15 个地点种植了美国水柳。我们还比较了两条河流的水文状况。在早春种植一次休眠个体和夏季种植两次非休眠个体的地点，种植个体的出现率最高。成活率仅在 2021 年存在差异，在早春种植 1 次休眠个体和夏季种植 2 次非休眠个体的地点成活率最高。与粘土、沙子或砾石为主的基质相比，鹅卵石为主的基质存活率更高。与现有群落较少、洪水强度较大的河流相比，现有群落较多的河流的群落存活率和洪水频率更高。我们的研究结果表明，美国水柳的建立和生长受到种植方法、基质类型和洪水强度的影响。

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来源期刊

Northeastern Naturalist 环境科学-生态学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： The Northeastern Naturalist covers all aspects of the natural history sciences of terrestrial, freshwater, and marine organisms and the environments of the northeastern portion of North America, roughly bounded from Virginia to Missouri, north to Minnesota and Nunavut, east to Newfoundland, and south back to Virginia. Manuscripts based on field studies outside of this region that provide information on species within this region may be considered at the Editor’s discretion. The journal welcomes manuscripts based on observations and research focused on the biology of terrestrial, freshwater, and marine organisms and communities as it relates to their life histories and their function within, use of, and adaptation to the environment and the habitats in which they are found, as well as on the ecology and conservation of species and habitats. Such studies may encompass measurements, surveys, and/or experiments in the field, under lab conditions, or utilizing museum and herbarium specimens. Subject areas include, but are not limited to, anatomy, behavior, biogeography, biology, conservation, evolution, ecology, genetics, parasitology, physiology, population biology, and taxonomy. Strict lab, modeling, and simulation studies on natural history aspects of the region, without any field component, will be considered for publication as long as the research has direct and clear significance to field naturalists and the manuscript discusses these implications.