Opportunity Information: Apply for W81EWF 25 SOI 0013
The grant opportunity titled Statistical Evaluation of Adaptive Management Study Duration (Funding Opportunity Number W81EWF 25 SOI 0013) is a discretionary, science and technology focused cooperative agreement from the U.S. Army Corps of Engineers Engineer Research and Development Center. It supports a collaborative study between the Corps and a selected partner from the Great Rivers Cooperative Ecosystems Studies Unit (CESU). The overall intent is to strengthen fisheries monitoring and adaptive management decisions on the Upper Mississippi River (UMR), specifically focusing on Pool 22 and nearby pools, by using rigorous statistical methods to determine how much sampling effort is actually needed to reliably detect meaningful biological change.
At the center of the project is a statistical power analysis built around long term electrofishing datasets and catch per unit effort (CPUE) metrics. The study is meant to answer a practical management question: given the natural variability in electrofishing catch data, how many sampling sites (per sampling period) are required to detect changes in fish populations with high confidence. The work explicitly considers multiple monitoring designs and scenarios, including two population change thresholds (30 percent change and 15 percent change) and two power targets (80 percent power with a 95 percent confidence interval, and 90 percent power with a 95 percent confidence interval). In other words, the recipient will quantify what it takes to detect either moderate or more subtle shifts in abundance while maintaining strong statistical reliability, which directly informs the duration and intensity of future monitoring programs.
A key deliverable is the identification of fish indicator species that can guide monitoring priorities going forward. The opportunity highlights several native species of special interest that may be used as indicators, including Bigmouth Buffalo, Blue Catfish, Lake Sturgeon, Paddlefish, Shovelnose Sturgeon, and Smallmouth Buffalo. It also flags Silver Carp as an invasive species of special interest, reflecting the dual focus on conserving native fish communities while tracking high impact invasive species. The indicator species component is tied to the broader goal of improving performance monitoring by focusing effort on species that are both ecologically meaningful and statistically informative for detecting change.
The scope is organized into tasks. Task 1 is the analytical core: the recipient will determine whether detectable changes in fish populations can be observed in Pool 22 and adjacent UMR pools, select and justify indicator species, and use CPUE derived from long term electrofishing records to estimate the sampling intensity needed under the specified change and power scenarios. Task 1 culminates in a summary report that documents the statistical evaluation, identifies the datasets used, presents findings, and provides recommendations for future performance monitoring, including evidence based guidance on sampling site numbers per period by species.
Task 2 moves from analysis into additional field data collection and evaluation. In Fiscal Year 2026, the selected CESU partner will collect and assess long term electrofishing data from multiple sites in Pool 22 using stratified random sampling techniques, then produce a summary report describing the data collected and related results. There is also an optional Task 3 that extends the same approach into Fiscal Year 2027, again using stratified random sampling in Pool 22 and producing a companion summary report. Together, these tasks are structured to both leverage existing long term datasets and validate or strengthen monitoring design recommendations with newly collected information.
The roles and responsibilities are clearly assigned to the selected CESU partner. The partner is expected to obtain, process, and analyze long term electrofishing data from the Upper Mississippi River; evaluate whether stratified random sampling is an effective method for detecting population changes; conduct species specific power analyses to estimate the number of sampling sites needed per sampling period to detect changes in Pool 22; provide quarterly updates to the Corps on methods, results, and interpretation; and collect and evaluate additional data using the same stratified random approach (for the FY 2026 effort and potentially FY 2027 if the optional task is included). The emphasis on quarterly updates suggests the Corps expects an iterative, transparent workflow where analytical choices and interim findings are shared regularly rather than only at the end of the project.
Eligibility is restricted to non federal partners of the Great Rivers CESU, which typically includes universities, nonprofits, and other qualified non federal research partners that participate in the CESU network. The opportunity anticipates a single award (Expected Awards: 1) with an award ceiling of $110,450. The application closing date is listed as August 11, 2025, and the opportunity was created on June 26, 2025. The CFDA number associated with the program is 12.630, and the funding instrument type is a cooperative agreement, signaling that substantial involvement and coordination with the Corps is expected throughout the project rather than a hands off grant structure.
In practical terms, this opportunity is aimed at making fish monitoring in Pool 22 more defensible and efficient. By tying monitoring design to power based sampling requirements, identifying indicator species, and producing clear recommendations, the project is meant to help the Corps and partners decide how long studies should run and how intense sampling must be to confidently detect changes that matter for management decisions in the Upper Mississippi River system.Apply for W81EWF 25 SOI 0013
- The Engineer Research and Development Center in the science and technology and other research and development sector is offering a public funding opportunity titled "Statistical Evaluation of Adaptive Management Study Duration" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 12.630.
- This funding opportunity was created on 2025-06-26.
- Applicants must submit their applications by 2025-08-11. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- Each selected applicant is eligible to receive up to $110,450.00 in funding.
- The number of recipients for this funding is limited to 1 candidate(s).
- Eligible applicants include: Others.
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Frequently Asked Questions (FAQs)
What is the title of this grant opportunity?
The opportunity is titled Statistical Evaluation of Adaptive Management Study Duration.
What is the Funding Opportunity Number (FON)?
The Funding Opportunity Number is W81EWF 25 SOI 0013.
Who is offering and administering this funding opportunity?
This opportunity is offered by the U.S. Army Corps of Engineers (USACE), through the Engineer Research and Development Center (ERDC).
What type of funding instrument is being used?
The funding instrument is a cooperative agreement, which indicates substantial involvement and coordination with the Corps during the project.
Is this a discretionary grant?
Yes. It is described as a discretionary, science and technology focused cooperative agreement.
How many awards are expected?
The opportunity anticipates one award (Expected Awards: 1).
What is the maximum award amount (award ceiling)?
The award ceiling is $110,450.
What is the application closing date?
The application closing date is August 11, 2025.
When was this opportunity created?
The opportunity was created on June 26, 2025.
What CFDA number is associated with this program?
The CFDA number associated with the program is 12.630.
Who is eligible to apply?
Eligibility is restricted to non-federal partners of the Great Rivers Cooperative Ecosystems Studies Unit (CESU). The description notes this typically includes universities, nonprofits, and other qualified non-federal research partners that participate in the CESU network.
What is the overall purpose of the project?
The project is intended to strengthen fisheries monitoring and adaptive management decisions on the Upper Mississippi River (UMR), with a focus on using rigorous statistical methods to determine how much sampling effort is needed to reliably detect meaningful biological change.
Where will the work be focused geographically?
The work focuses on the Upper Mississippi River, specifically Pool 22 and nearby/adjacent pools.
What management question is this study designed to answer?
The central question is: given natural variability in electrofishing catch data, how many sampling sites per sampling period are required to detect changes in fish populations with high confidence.
What data sources and metrics are central to the analysis?
The analysis is built around long-term electrofishing datasets and catch per unit effort (CPUE) metrics derived from those records.
What statistical approach is emphasized in this opportunity?
The opportunity centers on statistical power analysis to quantify sampling requirements needed to detect population changes under different monitoring designs and scenarios.
What change thresholds will be evaluated?
The work explicitly considers two population change thresholds: 30 percent change and 15 percent change.
What power and confidence targets are specified?
Two power targets are specified, both with a 95 percent confidence interval: 80 percent power and 90 percent power.
What does the project mean by “sampling intensity”?
In this opportunity, sampling intensity refers to the number of sampling sites per sampling period needed (by species) to detect a specified level of population change with the targeted statistical power and confidence.
What are “indicator species” in the context of this project?
Indicator species are fish species identified and justified as priorities for monitoring because they are intended to be ecologically meaningful and statistically informative for detecting change over time.
Which fish species are highlighted as potential indicator species or species of special interest?
The opportunity highlights several native species of special interest that may be used as indicators: Bigmouth Buffalo, Blue Catfish, Lake Sturgeon, Paddlefish, Shovelnose Sturgeon, and Smallmouth Buffalo. It also flags Silver Carp as an invasive species of special interest.
Why is Silver Carp specifically mentioned?
Silver Carp is identified as an invasive species of special interest, reflecting that the project aims to support both native fish community conservation and tracking of high-impact invasive species.
What are the main tasks included in the scope of work?
The scope is organized into Task 1 (statistical analysis and recommendations), Task 2 (additional field data collection and evaluation in FY 2026), and an optional Task 3 (similar additional work in FY 2027).
What is Task 1 focused on?
Task 1 is the analytical core. It includes determining whether detectable changes in fish populations can be observed in Pool 22 and adjacent pools, selecting and justifying indicator species, and using CPUE from long-term electrofishing records to estimate the sampling intensity needed under the specified change and power scenarios.
What deliverable is expected for Task 1?
Task 1 culminates in a summary report documenting the statistical evaluation, identifying the datasets used, presenting findings, and providing recommendations for future performance monitoring, including evidence-based guidance on sampling site numbers per period by species.
What is Task 2 focused on?
Task 2 involves additional field data collection and evaluation in Fiscal Year 2026. The selected CESU partner will collect and assess long-term electrofishing data from multiple sites in Pool 22 using stratified random sampling, and produce a summary report describing the data collected and related results.
What is the optional Task 3?
Task 3 is an optional extension into Fiscal Year 2027 that repeats the FY 2026 approach: stratified random sampling in Pool 22 and a companion summary report describing the data collected and results.
What sampling design is specifically mentioned for field work?
The field data collection in FY 2026 (and potentially FY 2027) uses stratified random sampling techniques in Pool 22.
What is the recipient expected to evaluate about stratified random sampling?
The recipient is expected to evaluate whether stratified random sampling is an effective method for detecting population changes.
What are the key responsibilities of the selected CESU partner?
Responsibilities include obtaining, processing, and analyzing long-term electrofishing data; conducting species-specific power analyses to estimate the number of sampling sites needed per sampling period; selecting and justifying indicator species; evaluating stratified random sampling effectiveness; providing quarterly updates to the Corps; and collecting and evaluating additional data using stratified random sampling in FY 2026 (and possibly FY 2027).
Are progress updates required during the project?
Yes. The partner is expected to provide quarterly updates to the Corps on methods, results, and interpretation.
What is meant by “adaptive management study duration” in this context?
In this context, it refers to making monitoring duration and effort more defensible by tying future monitoring program design to power-based sampling requirements that can reliably detect meaningful biological change.
How do the results support future monitoring decisions?
The project is intended to produce clear, evidence-based recommendations on how intense sampling must be (sites per period, by species) and how monitoring can be prioritized using indicator species, helping the Corps and partners plan monitoring that is both efficient and statistically reliable.
Is the work limited to existing datasets, or does it include new data collection?
It includes both. Task 1 leverages existing long-term datasets, while Task 2 adds new field data collection in FY 2026, with an optional extension (Task 3) for FY 2027.
Does the opportunity specify that the recipient must be part of a particular collaborative framework?
Yes. The opportunity supports a collaborative study between the Corps and a selected partner from the Great Rivers CESU, and eligibility is limited to non-federal partners of that CESU.
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