NFFS71002302080 Question and Answer document 07242023.pdf
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- Non-Personal Bitter Crab Modeling Services for National Marine Fisheries Service (NMFS), Seattle, WA
- Solicitation number
- NFFS71002302080KDK
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This document provides answers to questions regarding a federal contract opportunity for bitter crab modeling services in the Bering Sea. The contract requires developing spatiotemporal disease risk models for bitter crab using the R-INLA package to match existing snow crab models. Deliverables include Bering Sea disease maps employing spatial modeling to account for patterns in disease counts, temporal correlations, and interactions. Environmental data on pH and aragonite saturation will be provided in netCDF format requiring spatial subsetting from Bering Sea ROMS model output. Disease data will be provided as CSV files and may require merging of multiple datasets based on station IDs or lookup tables. All contract deliverables will be open-source and posted to a public GitHub repository while related research manuscripts are in preparation.
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QUESTION AND ANSWER DOCUMENT
NFFS71002302080
Bitter Crab Modeling Services
Q: What is the data format of the provided data sets?
A: The disease data (presence/absence) will be provided as a .csv file. Multiple datasets may require merging or joining based on unique survey station ID’s or spatial lookup tables with regions of interest. Environmental data (pH and/or aragonite saturation state) will be provided as a netCDF file, and will need to be spatially subset from Bering Sea 10k ROMS model output.
Q: Can you elaborate on the Bering Sea disease map deliverable? Is there preferred mapping software or would open source solutions be acceptable?
A: Bering Sea disease maps should employ spatiotemporal models that account for spatial structure in disease counts, temporal correlations, and spatiotemporal interactions by calculating neighborhood matrices. These spatiotemporal disease risk models need to be developed using the R-INLA package to facilitate direct comparisons with R-INLA models currently in development for a similar Bering Sea snow crab disease system.
Q: The statement of work mentions the final repository will be posted publicly on GitHub. Is this project considered to be open-source upon delivery?
A: Yes, given the number of collaborators involved in bitter crab disease research and invested stakeholder interest in stock status of Bering Sea snow crab, all deliverables produced from the project will be open-source upon delivery, and while a manuscript is in preparation.
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