Fish Assemblage Associations with Floodplain Connectivity Following Restoration to Benefit an Endangered Catostomid

Landress, Chad M.

doi:10.1080/00028487.2015.1105869

Cited by 9 publications

(2 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For example, lateral hydrological connectivity was identified as a key factor affecting fish communities in temporary Amazonian floodplain ponds (Couto, Zuanon, Olden, & Ferraz, 2018), highlighting their vulnerability to modification of flooding regimes. Similar results were reported for Utah floodplain ponds, along with extent of macrophyte cover, although in that study fish species richness was higher in ponds with intermediate connectivity (Landress, 2016).…”

Section: Landscape Position and Connectivitysupporting

confidence: 86%

Design features of constructed floodplain ponds influence waterbird and fish communities in northern New Zealand

Garrett‐Walker

Collier

Daniel³

et al. 2020

Freshwater Biology

View full text Add to dashboard Cite

1. Ponds can provide important refuges for aquatic biota on developed floodplains and are increasingly being constructed in an effort to enhance native biodiversity and ecosystem services in degraded landscapes. This study examined 34 constructed ponds to investigate the influence of design features on community composition, native biodiversity, and the biomass or abundance of common fish and waterbirds on the lower Waikato River floodplain, northern New Zealand. 2. Inundation frequency appeared to be a key factor affecting biomass of the native shortfin eel Anguilla australis and three invasive fish species (common carp [Cyprinus carpio], brown bullhead [Ameiurus nebulosus], and goldfish [Carassius auratus]), suggesting that colonisation occurred during flooding by adjacent waterbodies. Linear models indicated that shortfin eel abundance and total eel biomass were positively associated with the biomass of potential fish prey, the area occupied by islands and cover by trees in the riparian zone. 3. Native waterbird species richness was strongly related to water area, edge length (including islands) and area:perimeter ratio, with little increase in richness for ponds >1 ha in area, perimeters longer than 800 m, and ratios over 20. The protected grey teal (Anas gracilis), and the recreationally hunted species phenotypically assigned as mallard (Anas platyrhynchos + hybrids) and grey duck (Anas superciliosa + hybrids) appeared most strongly influenced, respectively, by perimeter length, water depth, and biomass of potential macroinvertebrate food supplies, suggesting variable effects of pond design attributes among waterfowl species. 4. Overall, these results indicate that constructed ponds can be designed to promote native waterbird diversity, enhance eel fishery and waterfowl gamebird services, and also limit the proliferation of some non-native invasive fish species in degraded floodplain landscapes. A hierarchy of constructed pond design attributes was identified, involving landscape position and connectivity, pond morphology and complexity, and riparian maturity and buffering, which were associated with direct (habitat) and indirect (food supply, physicochemistry) effects on biodiversity and provisioning services. | 2067 GARRETT-WALKER ET AL. 1 | INTRODUC TI ON Functional riverine floodplains provide complex arrays of aquatic habitats that support high biodiversity and a range of ecosystem services (Amoros & Bornette, 2002; Hornung, Podschun, & Pusch, 2019; Schindler et al., 2014). These environments have been degraded worldwide due to activities such as flood control, drainage, and land use intensification (e.g.

show abstract

Section: Landscape Position and Connectivitysupporting

confidence: 86%

Design features of constructed floodplain ponds influence waterbird and fish communities in northern New Zealand

Garrett‐Walker

Collier

Daniel³

et al. 2020

Freshwater Biology

View full text Add to dashboard Cite

show abstract

“…Restoring floodplain habitat complexity and lateral connectivity with the adjacent stream through the enhancement and creation of off-channel habitats has been recognized as increasingly important for the conservation of both native and endangered aquatic species [1][2][3][4][5]. Off-channel habitats provide refuge from high flow and predation as well as provide increased foraging opportunities.…”

Section: Introductionmentioning

confidence: 99%

The Development of a GIS Methodology to Identify Oxbows and Former Stream Meanders from LiDAR-Derived Digital Elevation Models

et al. 2018

View full text Add to dashboard Cite

Anthropogenic development of floodplains and alteration to natural hydrological regimes have resulted in extensive loss of off-channel habitat. Interest has grown in restoring these habitats as an effective conservation strategy for numerous aquatic species. This study developed a process to reproducibly identify areas of former stream meanders to assist future off-channel restoration site selections. Three watersheds in Iowa and Minnesota where off-channel restorations are currently being conducted to aid the conservation of the Topeka Shiner (Notropis topeka) were selected as the study area. Floodplain depressions were identified with LiDAR-derived digital elevation models, and their morphologic and topographic characteristics were described. Classification tree models were developed to distinguish relic streams and oxbows from other landscape features. All models demonstrated a strong ability to distinguish between target and non-target features with area under the receiver operator curve (AUC) values ≥ 0.82 and correct classification rates ≥ 0.88. Solidity, concavity, and mean height above channel metrics were among the first splits in all trees. To compensate for the noise associated with the final model designation, features were ranked by their conditional probability. The results of this study will provide conservation managers with an improved process to identify candidate restoration sites.

show abstract

Microbial Community Functional Potential and Composition Are Shaped by Hydrologic Connectivity in Riverine Floodplain Soils

et al. 2016

View full text Add to dashboard Cite

Riverine floodplains are ecologically and economically valuable ecosystems that are heavily threatened by anthropogenic stressors. Microbial communities in floodplain soils mediate critical biogeochemical processes, yet we understand little about the relationship between these communities and variation in hydrologic connectivity related to land management or topography. Here, we present metagenomic evidence that differences among microbial communities in three floodplain soils correspond to a long-term gradient of hydrologic connectivity. Specifically, all strictly anaerobic taxa and metabolic pathways were positively associated with increased hydrologic connectivity and flooding frequency. In contrast, most aerobic taxa and all strictly aerobic pathways were negatively related to hydrologic connectivity and flooding frequency. Furthermore, the genetic potential to metabolize organic compounds tended to decrease as hydrologic connectivity increased, which may reflect either the observed concomitant decline of soil organic matter or the parallel increase in both anaerobic taxa and pathways. A decline in soil N, accompanied by an increased genetic potential for oligotrophic N acquisition subsystems, suggests that soil nutrients also shape microbial communities in these soils. We conclude that differences among floodplain soil microbial communities can be conceptualized along a gradient of hydrologic connectivity. Additionally, we show that these differences are likely due to connectivity-related variation in flooding frequency, soil organic matter, and soil N. Our findings are particularly relevant to the restoration and management of microbially mediated biogeochemical processes in riverine floodplain wetlands.

show abstract

Fish Assemblage Associations with Floodplain Connectivity Following Restoration to Benefit an Endangered Catostomid

Cited by 9 publications

References 47 publications

Design features of constructed floodplain ponds influence waterbird and fish communities in northern New Zealand

Design features of constructed floodplain ponds influence waterbird and fish communities in northern New Zealand

The Development of a GIS Methodology to Identify Oxbows and Former Stream Meanders from LiDAR-Derived Digital Elevation Models

Microbial Community Functional Potential and Composition Are Shaped by Hydrologic Connectivity in Riverine Floodplain Soils

Contact Info

Product

Resources

About