Hydrologic variability in black ash wetlands: Implications for vulnerability to emerald ash borer

Cianciolo, Thomas R.; Diamond, Jacob S.; McLaughlin, Daniel L.; Slesak, Robert A.; D’Amato, Anthony W.; Palik, Brian J.

doi:10.1002/hyp.14014

Cited by 10 publications

(3 citation statements)

References 47 publications

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“…The positive feedback loop that results sets up conditions under which a regime shift from forested riparian zone to a sedge/herbaceous dominated wetland can occur because of EAB‐induced ash mortality. This has been previously documented in black ash wetland systems (e.g., Cianciolo et al, 2021; Diamond et al, 2018) and is likely driving the riparian zone ecosystem responses observed in this and other recent studies (e.g., Engelken et al, 2020; Engelken & McCullough, 2020).…”

Section: Discussionsupporting

confidence: 75%

Observations of reduced ET and persistent elevated water table beneath a riparian forest gap following emerald ash borer invasion and tree mortality

Krzemien,

Robertson,

Engelken

et al. 2024

Hydrological Processes

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Emerald ash borer (EAB) (Agrilus planipennis Fairmaire), an invasive, phloem‐feeding beetle native to Asia, has killed millions of ash (Fraxinus spp.) trees in North America since it was detected in southeast Michigan in 2002. Consistently high mortality of black ash (Fraxinus nigra) and green ash (F. pennsylvanica) which often occur in riparian forests is a concern given their role in regulating soil moisture and shallow groundwater levels. We monitored and compared hydrologic processes in a riparian forest impacted by EAB invasion and an adjacent unimpacted riparian forest site in southwest Michigan. From 2018 to 2022, we recorded soil moisture, depth to groundwater and meteorological variables at 15‐min intervals throughout the growing season in a canopy gap following EAB‐caused ash mortality and in adjacent, unaffected forest in the Augusta Creek riparian zone. Groundwater contributions to evapotranspiration (ETG) were estimated using a groundwater level fluctuation (WLF) method. Significant differences in volumetric soil moisture content (16%–26% higher in the gap than forest), average depth to water (10 cm in the gap vs. 70 cm below land surface in the forest) and mean daily ETG (0.6 in the gap vs. 3.0 mm per day in the forest) persisted across four growing seasons. Within the gap, prolonged saturation of the near surface may be contributing to a shift from a forested riparian ecosystem to herb and sedge‐dominated wetland. These differences have implications for an array of riparian zone ecosystem services, a concern given the extent of ash mortality already sustained in much of eastern North America.

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Section: Discussionsupporting

confidence: 75%

Observations of reduced ET and persistent elevated water table beneath a riparian forest gap following emerald ash borer invasion and tree mortality

Krzemien,

Robertson,

Engelken

et al. 2024

Hydrological Processes

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“…The ground points can be extracted from the dense point cloud generated by terrestrial LiDAR to create a high-resolution DEM. Several researchers [2,25,27,32,92,93] used opensource CloudCompare software to extract ground points. The extraction of ground points requires a point cloud library (PCL, see [94]) to remove noise and outlier points.…”

Section: Microtopography Acquisition With Terrestrial Lidarmentioning

confidence: 99%

Quantification of Microtopography in Natural Ecosystems Using Close-Range Remote Sensing

et al. 2023

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Microtopography plays an important role in various ecological, hydrologic, and biogeochemical processes. However, quantifying the characteristics of microtopography represents a data-intensive challenge. Over the last decade, high-resolution or close-range remote sensing data and techniques have emerged as powerful tools to quantify microtopography. Traditional field surveys were mostly limited to transects or small plots, using limited sets of observations but with the decrease in the cost of close-range remote sensing technologies and the increase in computing performance, the microtopography even in forested environments can be assessed. The main objective of this article is to provide a systematic framework for microtopographic studies using close-range remote sensing technologies. This is achieved by reviewing the application of close-range remote sensing to capture microtopography and develop microtopographic models in natural ecosystems. Specifically, to achieve the main objectives, we focus on addressing the following questions: (1) What terrain attributes represent microtopography in natural ecosystems? (2) What spatial resolution of terrain attributes is needed to represent the microtopography? (3) What methodologies have been adopted to collect data at selected resolutions? (4) How to assess microtopography? Current research, challenges, and applicability of close-range remote sensing techniques in different terrains are analyzed with an eye to enhancing the use of these new technologies. We highlight the importance of using a high-resolution DEM (less than 1 m2 spatial resolution) to delineate microtopography. Such a high-resolution DEM can be generated using close-range remote sensing techniques. We also illustrate the need to move beyond elevation and include terrain attributes, such as slope, aspect, terrain wetness index, ruggedness, flow accumulation, and flow path, and assess their role in influencing biogeochemical processes such as greenhouse gas emissions, species distribution, and biodiversity. To assess microtopography in terms of physical characteristics, several methods can be adopted, such as threshold-based classification, mechanistically-based delineation, and machine learning-based delineation of microtopography. The microtopographic features can be analyzed based on physical characteristics such as area, volume, depth, and perimeter, or by using landscape metrics to compare the classified microtopographic features. Remote sensing techniques, when used in conjunction with field experiments/data, provide new avenues for researchers in understanding ecological functions such as biodiversity and species distribution, hydrological processes, greenhouse gas emissions, and the environmental factors that influence those parameters. To our knowledge, this article provides a comprehensive and detailed review of microtopography data acquisition and quantification for natural ecosystem studies.

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“…Invasive insects and pathogens reduce the essential services trees provide in multiple settings ranging from wilderness areas to urban communities (figure 1; Bradshaw et al 2016, Fei et al 2019. The negative acute and chronic environmental impacts of nonnative pests include reduced ecosystem services, such as carbon sequestration, biodiversity, genetic diversity, hydrology, soil functions, and energy conservation (box 1) (Gandhi and Herms 2010b, Boyd et al 2013, Freer-Smith and Webber 2017, Hauer et al 2020, Cianciolo et al 2021. The negative economic impacts include reduced abundance and quality of wood products, quarantine restrictions on market access, reduced residential property values, and the costs of managing established populations (Holmes et al 2009, Aukema et al 2011, Kenis et al 2017.…”

mentioning

confidence: 99%

Approaches to Forecasting Damage by Invasive Forest Insects and Pathogens: A Cross-Assessment

Raffa

Brockerhoff²,

Grégoire

et al. 2023

BioScience

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Nonnative insects and pathogens pose major threats to forest ecosystems worldwide, greatly diminishing the ecosystem services trees provide. Given the high global diversity of arthropod and microbial species, their often unknown biological features or even identities, and their ease of accidental transport, there is an urgent need to better forecast the most likely species to cause damage. Several risk assessment approaches have been proposed or implemented to guide preventative measures. However, the underlying assumptions of each approach have rarely been explicitly identified or critically evaluated. We propose that evaluating the implicit assumptions, optimal usages, and advantages and limitations of each approach could help improve their combined utility. We consider four general categories: using prior pest status in native and previously invaded regions; evaluating statistical patterns of traits and gene sequences associated with a high impact; sentinel and other plantings to expose trees to insects and pathogens in native, nonnative, or experimental settings; and laboratory assays using detached plant parts or seedlings under controlled conditions. We evaluate how and under what conditions the assumptions of each approach are best met and propose methods for integrating multiple approaches to improve our forecasting ability and prevent losses from invasive pests.

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Hydrologic variability in black ash wetlands: Implications for vulnerability to emerald ash borer

Cited by 10 publications

References 47 publications

Observations of reduced ET and persistent elevated water table beneath a riparian forest gap following emerald ash borer invasion and tree mortality

Observations of reduced ET and persistent elevated water table beneath a riparian forest gap following emerald ash borer invasion and tree mortality

Quantification of Microtopography in Natural Ecosystems Using Close-Range Remote Sensing

Approaches to Forecasting Damage by Invasive Forest Insects and Pathogens: A Cross-Assessment

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