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Abstracts from the 156th Annual Meeting of the Kansas Academy Science, Emporia State University, Emporia, Kansas, April 5-6, 2023 堪萨斯科学院第 156 届年会摘要,堪萨斯州恩波利亚州立大学,2023 年 4 月 5-6 日
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0112
Austin Medley, Wai-Foong Hong, Michael Tweed, Debbie Rogers, Daniel Giese, Andre Johnson, Lynnette Sievert, Nathan R. Neufeld, S. A. Kimball, Zachary Schneider, Alexis Powell, Trevor Jones, Rachel Bowes, Chris Steffen, Tim Burnett, Belkasim Khameiss, Scott Ishman, Sophia Hodge, Jack Sytsma, Helen Winters, Adam Smith, Erica Newman, Sonny Lee, A. Jumpponen
The following abstracts of papers and posters were accepted for presentation at the 156th Annual Meeting of the Kansas Academy of Science
堪萨斯科学院第 156 届年会接受了以下论文摘要和海报
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引用次数: 0
The Influence of System Characteristics and Biotic Interactions on White Crappie Population Dynamics in Kansas Impoundments 堪萨斯州蓄水池中系统特征和生物相互作用对白鲷种群动态的影响
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0102
James R. Miazga, Zachary B. Klein, J. Koch, Ben C. Neely
In Kansas, crappie Pomoxis spp. (White Crappie P. annularis, Black Crappie P. nigromaculatus) fisheries have important social and economic value, making management of these species a high priority. However, management of crappie fisheries is often challenging due to a paucity of information regarding the specific dynamics regulating populations. Even when population dynamics information is available, the relative influence of exogenous factors on crappie populations is poorly understood. To improve the management of crappie fisheries, we sought to: 1) describe White Crappie population dynamic rates throughout Kansas and 2) assess the influence of exogenous factors (i.e. system characteristics and biotic interactions) on the dynamics of White Crappie populations. Annual survey data and associated age data were used to estimate relative abundance, recruitment, individual growth rates, and total annual mortality rates of each White Crappie population. The relationships between system characteristics, fish abundance variables, and White Crappie population dynamics were assessed using principal component analysis and multiple linear regression. In total, 19,874 White Crappie were sampled from 32 impoundments and age was estimated for 3,851 individuals. In general, White Crappie population dynamics were related to a variety of abiotic and biotic characteristics that largely reflected the influence of density-dependent processes. Surface area served as a surrogate for many of the covariates considered and may be useful in guiding management of White Crappie populations. Specifically, large impoundments with high predator abundance will likely support robust crappie fisheries due to density-related improvements in growth. Conversely, impoundments with small surface areas tended to have high densities of crappies and other centrarchid competitors, which resulted in slow growth rates and potentially poor-quality crappie fisheries. Overall, our results highlight the value of dynamics rate functions for understanding the mechanisms underlying White Crappie populations which can be used to improve management of the species.
在堪萨斯州,螃蟹 Pomoxis spp.(白螃蟹 P. annularis、黑螃蟹 P. nigromaculatus)渔业具有重要的社会和经济价值,因此这些鱼种的管理成为重中之重。然而,由于缺乏有关调节种群的具体动态的信息,螃蟹渔业的管理往往具有挑战性。即使有种群动态信息,人们也不太了解外源因素对螃蟹种群的相对影响。为了改善螃蟹渔业管理,我们试图1) 描述整个堪萨斯州的白螃蟹种群动态速率;2) 评估外源因素(即系统特征和生物相互作用)对白螃蟹种群动态的影响。年度调查数据和相关鱼龄数据被用来估算每个白螃蟹种群的相对丰度、补充量、个体增长率和年总死亡率。利用主成分分析和多元线性回归评估了系统特征、鱼类丰度变量和白螃蟹种群动态之间的关系。总共从 32 个蓄水池中采集了 19,874 条白鲷样本,并估算出 3,851 条白鲷的年龄。总体而言,白鲷的种群动态与各种非生物和生物特征有关,这些特征在很大程度上反映了密度依赖过程的影响。表面积是许多被考虑的协变量的替代物,可能有助于指导白螃蟹种群的管理。具体来说,捕食者丰度高的大型蓄水池可能会支持螃蟹渔业的蓬勃发展,这是因为与密度相关的生长改善。相反,表面积小的蓄水池往往有高密度的螃蟹和其他食蟹竞争者,导致生长速度缓慢,螃蟹渔业的质量可能较差。总之,我们的研究结果凸显了动态速率函数在了解白螃蟹种群基本机制方面的价值,可用于改善对该物种的管理。
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引用次数: 0
Book Review The Devil's Element: Phosphorus and a World Out of Balance 书评《魔鬼的元素》:磷与失衡的世界
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0109
Erika C Martin
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引用次数: 0
Bison Act as Habitat Engineers for Large Branchiopod Crustaceans in the Great Plains 野牛是大平原大型甲壳动物的栖息地工程师
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0105
Christopher F. Frazier, Andrew T. Karlin, James H. Thorp
Large branchiopods are a group of aquatic crustaceans known for possessing hardy resting eggs capable of dispersal between temporary wetland habitats by wind and animal vectors. In this study, we rehydrated dry sediments from bison wallows to assess large branchiopod use of these habitats and potentially the capacity of bison to act as dispersal vectors of cysts. We observed one clam shrimp genus and one tadpole shrimp species in our rehydrated samples, providing strong evidence of large branchiopod establishment in bison-created habitats. We failed to see a relationship between spatial arrangement, bison utilization, and large branchiopod abundance, so future studies are encouraged to assess dispersal capability by bison.
大型枝足类甲壳动物是一类水生甲壳动物,以拥有坚硬的静止卵而闻名,能够通过风和动物媒介在临时湿地栖息地之间传播。在这项研究中,我们对野牛栖息地的干燥沉积物进行了再水化,以评估大鳞翅目甲壳动物对这些栖息地的利用情况,以及野牛作为囊蚴传播媒介的潜在能力。我们在重新水化的样本中观察到了一种蚌虾属和一种蝌蚪虾种,为大型底栖动物在野牛创造的栖息地定居提供了有力证据。我们未能发现空间布局、野牛利用率和大分支足类丰度之间的关系,因此鼓励今后的研究对野牛的扩散能力进行评估。
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引用次数: 0
The 156th Annual Meeting of the Kansas Academy of Science Emporia State University, Emporia, KS, April 5-6, 2024 堪萨斯科学院第 156 届年会 2024 年 4 月 5-6 日,堪萨斯州恩波利亚市,恩波利亚州立大学
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0111
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引用次数: 0
Morphological Plasticity of Bluntnose Minnow Pimephales notatus from Pond and Stream Habitats 池塘和溪流栖息地钝吻鲦鱼的形态可塑性
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0108
Abigail Rick, Peter J. Pfaff, K. Gido, Michi Tobler, Hannah Hoffman-Colburn
Morphological plasticity in response to environmental variation facilitates the persistence of species in multiple habitats. Plastic morphological responses have been reported for a variety of stream fishes moving from lotic streams with shallow and regular flow to lentic ponds with still or standing water, presumably allowing them to succeed in vastly different environments. We collected Bluntnose Minnow (Pimephales notatus) from the Flint Hills of Kansas to test for differences in the morphology and diets between stream and pond habitats. We predicted that differences in food resources and life in lentic or lotic habitats would be reflected in their morphology. Relative gut lengths and gut contents of specimens from streams and ponds were hypothesized to be associated with presumed food availability differences in these habitats. In contrast to our prediction, the ratio of gut length to standard length was not different between streams and ponds; however, we also did not find a difference in diet between the two habitats. Body shapes based on geometric morphometric analysis also were not different between habitats. Further investigation into shifts in resource use and a better understanding of the number of generations in which populations have occupied ponds would provide more insight into why we did not find variation in the morphology of these fish between ponds and streams.
针对环境变化的形态可塑性有助于物种在多种生境中的持续生存。据报道,多种溪流鱼类从水流浅且有规律的溪流迁移到静水或常流水的池塘,其形态可塑性反应可能使它们能够在截然不同的环境中获得成功。我们从堪萨斯州的弗林特山采集了钝吻鲦鱼(Pimephales notatus),以检验溪流与池塘栖息地之间的形态和食物差异。我们预测,食物资源的差异以及在溪流或池塘栖息地的生活会反映在它们的形态上。我们假设溪流和池塘标本的相对肠道长度和肠道内容物与这些栖息地的食物供应差异有关。与我们的预测相反,溪流和池塘的肠道长度与标准长度之比没有差异;但是,我们也没有发现这两种栖息地的食物差异。根据几何形态计量分析得出的体形在不同栖息地之间也没有差异。进一步调查资源利用的变化,以及更好地了解种群占据池塘的世代数,将能更深入地了解我们为何没有发现这些鱼类的形态在池塘和溪流之间存在差异。
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引用次数: 0
Getting to the Root of the Newt: Larval Occurrence Patterns of a Newly Discovered Eastern Newt Population in Southeast Kansas 找到蝾螈的根源:堪萨斯州东南部新发现的东部蝾螈种群的幼虫出现模式
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0103
Sara A. Scholes, Emma M. Buckardt, Christine C. Rega-Brodsky, Andrew D. George
The Eastern Newt (Notophthalmus viridescens) is listed as a species in need of conservation in Kansas due to its limited range and infrequent occurrence in the state. While Eastern Newts have been documented in five counties in southeast Kansas, they remain uncommon throughout the region. Our objective was to analyze wetland features that could influence the presence of breeding Eastern Newts in a newly discovered population in Crawford County. We used dip nets to sample 10 locations in each of 12 different wetlands from July 21 to August 8, 2022. We found eight larval Eastern Newt individuals in four of the wetlands. While most characteristics were similar between wetlands with and without Eastern Newts, wetlands with newts had less surrounding grassland cover, lower dissolved oxygen, and no fish. We recommend that future studies assess additional habitat variables, such as plant species richness or invertebrate abundance, which could influence Eastern Newt occurrence. Particularly, more surveys are needed along the Marais des Cygnes and Spring River watersheds to identify a possible source population and the extent of the metapopulation. Understanding the habitat associations and distribution of Eastern Newts at the western edge of their geographic range could be a foundation for future conservation efforts in this region.
东部蝾螈(Notophthalmus viridescens)被列为堪萨斯州需要保护的物种,因为其分布范围有限,而且在该州很少出现。虽然堪萨斯州东南部的五个县都有东方蝾螈的记录,但它们在整个地区仍不常见。我们的目标是分析可能影响克劳福德县新发现种群中东方蝾螈繁殖的湿地特征。2022 年 7 月 21 日至 8 月 8 日,我们使用浸网在 12 个不同湿地的每个湿地中的 10 个地点进行了取样。我们在其中四个湿地发现了八只东方蝾螈幼虫个体。虽然有东方蝾螈和没有东方蝾螈的湿地的大多数特征相似,但有蝾螈的湿地周围草地覆盖较少,溶解氧较低,而且没有鱼类。我们建议,未来的研究应评估更多可能影响东方蝾螈出现的生境变量,如植物物种丰富度或无脊椎动物丰度。特别是,需要沿马莱德骏河(Marais des Cygnes)和春河流域进行更多调查,以确定可能的源种群和元种群的范围。了解东方蝾螈在其地理分布西部边缘的栖息地关联和分布情况,可为该地区未来的保护工作奠定基础。
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引用次数: 0
Everyday Science 日常科学
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0110
S. M. Umer
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引用次数: 2
Trophic Status Alters Zooplankton-Driven Clear-Water Phases in Kansas Reservoirs 营养状态改变堪萨斯州水库中浮游动物驱动的清水阶段
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0104
Luke Ungerer, Ted Harris, Javier Omar Morales, Atefeh Hosseini
Zooplankton abundance, community composition, and size can drive clear-water phases (CWPs) in temperate lakes. CWP events temporarily improve water transparency by decreasing algae, and thus better understanding the mechanisms of CWP events could lead to improvements in water quality. Here, we evaluate how zooplankton abundance, community composition (copepods, cladocerans), and size (only Daphnia) relate to CWPs in three Kansas reservoirs with different trophic states (i.e. mesotrophic, eutrophic, or hypereutrophic). Water transparency was measured using a Secchi disk, whereas zooplankton samples were collected with vertical net hauls throughout the water column, preserved with ethanol, and subsequently analyzed using a stereoscope. Results indicated that CWPs occurred in late Spring/early Summer in all reservoirs. Total zooplankton abundance increased with trophic state, with copepods typically dominating zooplankton communities (>70% of total abundance) in all reservoirs. Copepod abundance had relatively similar temporal trends and decreased with Secchi depth in all reservoirs. In contrast, cladoceran abundance and Daphnia length relations with Secchi depth were dependent on reservoir trophic state. Although cladocerans are widely reported drivers of water transparency, we only found links between abundance and CWPs in the mesotrophic reservoir, indicating that trophic state may alter zooplankton-CWP relationships. Therefore, water quality improvements via zooplankton driven CWPs may be different in relatively low and high trophic state reservoirs.
浮游动物的丰度、群落组成和大小可推动温带湖泊的清水期(CWP)。CWP 事件通过减少藻类暂时提高了水体透明度,因此,更好地了解 CWP 事件的机制可改善水质。在此,我们评估了堪萨斯州三个具有不同营养状态(即中营养、富营养或高营养)的水库中浮游动物的丰度、群落组成(桡足类、栉水母类)和大小(仅水蚤)与 CWP 的关系。使用塞奇盘测量水体透明度,而浮游动物样本则通过垂直网拖网在整个水体中收集,用乙醇保存,随后使用立体镜进行分析。结果表明,所有水库的春末夏初都会出现 CWP。浮游动物的总丰度随营养状态的变化而增加,在所有水库中,桡足类通常是浮游动物群落的主宰(占总丰度的 70%以上)。在所有水库中,桡足类的丰度具有相对相似的时间趋势,并随着塞奇水深的增加而减少。相比之下,桡足类丰度和水蚤长度与 Secchi 深度的关系取决于水库的营养状态。尽管有报道称桡足类是影响水体透明度的广泛因素,但我们只在中营养水库中发现了丰度与CWP之间的联系,这表明营养状态可能会改变浮游动物与CWP之间的关系。因此,在营养状态相对较低和营养状态较高的水库中,通过浮游动物驱动的 CWPs 改善水质的效果可能不同。
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引用次数: 0
County Records and Noteworthy Detections of Gray Fox (Urocyon cinereoargenteus) in Southeast Kansas 堪萨斯州东南部灰狐(Urocyon cinereoargenteus)的县记录和值得注意的检测结果
Pub Date : 2024-06-11 DOI: 10.1660/062.127.0101
Daniel J. Benson, Jenell de la Peña, Andrew D. George, Christine C. Rega-Brodsky
The gray fox (Urocyon cinereoargenteus) is a mesocarnivore with a broad geographic range in North America, yet its distribution and habitat associations in Kansas have been poorly documented. Using data from a statewide camera trap survey, we opportunistically observed gray foxes in five counties in southeast Kansas, including two new county records. Gray fox detection localities were characterized by deciduous forest stands with dense canopies, limited understory vegetation, and areas with leaf litter and bare soil. The landscape matrix surrounding these patches of forested vegetation was dominated by pasture, grassland, and cropland. While these features are similar to previous gray fox habitat assessments in neighboring states, additional research is needed on the gray fox in Kansas due to the paucity of contemporary data on the species.
灰狐(Urocyon cinereoargenteus)是一种中型食肉动物,在北美的分布范围很广,但其在堪萨斯州的分布和栖息地关系却鲜有记录。利用全州相机陷阱调查的数据,我们在堪萨斯州东南部的五个县对灰狐进行了随机观察,其中包括两个新的县记录。发现灰狐的地方都是落叶林,树冠茂密,林下植被有限,还有一些落叶区和裸露的土壤。这些森林植被斑块周围的景观基质以牧场、草地和耕地为主。虽然这些特征与之前对邻州灰狐栖息地的评估结果相似,但由于有关堪萨斯州灰狐的当代数据很少,因此还需要对该物种进行更多的研究。
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引用次数: 0
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Transactions of the Kansas Academy of Science
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