scholarly journals Fish spawning habitat in an irrigation ditch of the Houki River in the Naka River system.

2013 ◽  
Vol 16 (1) ◽  
pp. 1-11
Author(s):  
Yutaka YOSHIDA ◽  
Hisao ISHIZIMA ◽  
Masakazu MIZUTANI ◽  
Akira GOTO
Keyword(s):  
River System ◽  
Spawning Habitat ◽  
Irrigation Ditch ◽  
Fish Spawning

A structured approach to remediation site assessment: lessons from 15 years of fish spawning habitat creation in the St.Clair‐DetroitRiver System

2021 ◽  
Author(s):  
Jason L. Fischer ◽  
Edward F. Roseman ◽  
Christine Mayer ◽  
Todd Wills ◽  
Lynn Vaccaro ◽  
...  
Keyword(s):  
Spawning Habitat ◽  
Site Assessment ◽  
Habitat Creation ◽  
Fish Spawning ◽  
Structured Approach

If you build it and they come, will they stay? Maturation of constructed fish spawning reefs in the St. Clair-Detroit River System

2020 ◽  
Vol 150 ◽  
pp. 105837 ◽  
Author(s):  
Jason L. Fischer ◽  
Edward F. Roseman ◽  
Christine Mayer ◽  
Todd Wills
Keyword(s):  
River System ◽  
Detroit River ◽  
Fish Spawning

scholarly journals Evolutionary and ecological constraints of fish spawning habitats

2014 ◽  
Vol 72 (2) ◽  
pp. 285-296 ◽  
Author(s):  
Lorenzo Ciannelli ◽  
Kevin Bailey ◽  
Esben Moland Olsen
Keyword(s):  
Environmental Changes ◽  
Fish Habitat ◽  
Evolutionary Constraints ◽  
Spawning Habitat ◽  
Ecological Constraints ◽  
Genetic Changes ◽  
Fish Spawning ◽  
Developmental Phases ◽  
Plastic Responses ◽  
Spawning Habitats

Abstract For marine fish, the choice of the spawning location may be the only means to fulfil the dual needs of surviving from the egg to juvenile stage and dispersing across different habitats while minimizing predation and maximizing food intake. In this article, we review the factors that affect the choice of fish spawning habitats and propose a framework to distinguish between ecological and evolutionary constraints. We define the former as the boundaries for phenotypically plastic responses to environmental change, in this case the ability of specific genotypes to change their spawning habitat. Processes such as predation, starvation, or aberrant dispersal typically limit the amount of variability in spawning habitat that fish may undergo from 1 year to the next, and thus regulate the intensity of ecological constraints. Evolutionary constraints, on the other hand, refer to aspects of the genetic make-up that limit the rate and direction of adaptive genetic changes in a population across generations; that is, the potential for micro-evolutionary change. Thus, their intensity is inversely related to the level of genetic diversity associated with traits that regulate spawning and developmental phases. We argue that fisheries oceanographers are well aware of, and more deeply focused on, the former set of constraints, while evolutionary biologists are more deeply focused on the latter set of constraints. Our proposed framework merges these two viewpoints and provides new insight to study fish habitat selection and adaptability to environmental changes.

scholarly journals Review of Methods to Repair and Maintain Lithophilic Fish Spawning Habitat

Water ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 2501
Author(s):  
Audrey Baetz ◽  
Taaja Tucker ◽  
Robin DeBruyne ◽  
Alex Gatch ◽  
Tomas Höök ◽  
...  
Keyword(s):  
Effective Means ◽  
Anthropogenic Effects ◽  
Spawning Habitat ◽  
Rocky Reefs ◽  
Treasure Hunting ◽  
Common Practices ◽  
Fish Spawning ◽  
Cleaning Methods ◽  
Available Information ◽  
Spawning Habitats

Rocky reefs provide important spawning and refuge habitats for lithophilic spawning fishes. However, many reefs have been lost or severely degraded through anthropogenic effects like dredging, channelization, or sedimentation. Constructed reefs have been used to mitigate these effects in some systems, but these reefs are also subject to degradation which may warrant custodial maintenance. Monitoring and maintenance of natural or constructed spawning reefs are not common practices; therefore, few methodologies have been created to test the effectiveness of such tools. We conducted a literature review to assess available information on maintenance of rocky spawning habitats used by lithophilic fishes. We identified 54 rocky spawning habitat maintenance projects, most of which aimed to improve fish spawning habitats through the addition of spawning substrate (n = 33) or cleaning of substrate (n = 23). In comparison to shallow riverine studies focused on salmonids, we found little information on deep-water reefs, marine reefs, or other fish species. We discuss the possible application of potential spawning habitat cleaning methods from other disciplines (e.g., treasure hunting; archeology) that may provide effective means of reef maintenance that can be used by restoration practitioners.

Lake Sturgeon, Lake Whitefish, and Walleye Egg Deposition Patterns with Response to Fish Spawning Substrate Restoration in the St. Clair-Detroit River System

2018 ◽  
Vol 147 (1) ◽  
pp. 79-93 ◽  
Author(s):  
Jason L. Fischer ◽  
Jeremy J. Pritt ◽  
Edward F. Roseman ◽  
Carson G. Prichard ◽  
Jaquelyn M. Craig ◽  
...  
Keyword(s):  
River System ◽  
Lake Sturgeon ◽  
Lake Whitefish ◽  
Detroit River ◽  
Deposition Patterns ◽  
Spawning Substrate ◽  
Egg Deposition ◽  
Fish Spawning

scholarly journals Protected area effectiveness for fish spawning habitat in relation to earthquake-induced landscape change

2018 ◽  
Author(s):  
Shane Orchard ◽  
Michael J. H. Hickford
Keyword(s):  
Protected Area ◽  
Habitat Model ◽  
Spawning Habitat ◽  
Adaptive Planning ◽  
Potential Habitat ◽  
Galaxias Maculatus ◽  
Fish Spawning ◽  
Protection Mechanisms ◽  
Planning Methods ◽  
Spawning Sites

AbstractWe studied the effectiveness of conservation planning methods for Galaxias maculatus, a riparian spawning fish, following earthquake-induced habitat shift in the Canterbury region of New Zealand. Mapping and GIS overlay techniques were used to evaluate three protection mechanisms in operative or proposed plans in two study catchments over two years. Method 1 utilised a network of small protected areas around known spawning sites. It was the least resilient to change with only 3.9% of post-quake habitat remaining protected in the worst performing scenario. Method 2, based on mapped reaches of potential habitat, remained effective in one catchment (98%) but not in the other (52.5%). Method 3, based on a habitat model, achieved near 100% protection in both catchments but used planning areas far larger than the area of habitat actually used. This example illustrates resilience considerations for protected area design. Redundancy can help maintain effectiveness in face of dynamics and may be a pragmatic choice if planning area boundaries lack in-built adaptive capacity or require lengthy processes for amendment. However, an adaptive planning area coupled with monitoring offers high effectiveness from a smaller protected area. Incorporating elements of both strategies provides a promising conceptual basis for adaptation to major perturbations or responding to slow change.

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