Assessing the effects of changes in reproductive condition on the survival of anadromous Dolly Varden (<em>Salvelinus malma</em>) using Bayesian multistate capture-recapture modelling

Understanding the interrelationship between the survival and reproductive states of salmonids is important for both management and conservation purposes; however, their complex life history introduces challenges. The survival probabilities of anadromous Dolly Varden (Salvelinus malma) are influenced by their reproductive cycle, while predicting their reproductive state in successive years is difficult, as it can vary based on an individual's sex. We developed a Bayesian multi-state capture-recapture model that estimates reproductive state transition probabilities, survival probabilities, and the effect of sex on state transitions using the Cormack-Jolly-Seber model. We applied the model to Dolly Varden data collected from five river systems in the western Canadian Arctic. We demonstrate sex-specific state transition probability differences, with females exhibiting higher transition rates into reproductive states. Moreover, survival probabilities were influenced by both sex and reproduct..., , # Assessing the effects of changes in reproductive condition on the survival of anadromous Dolly Varden (*Salvelinus malma*) using Bayesian multistate capture-recapture modelling

Dataset DOI: [10.5061/dryad.bzkh189pw](10.5061/dryad.bzkh189pw)

## Description of the data and file structure

The data were collected through long-term monitoring efforts conducted by Fisheries and Oceans Canada (DFO) on Northern Dolly Varden (*Salvelinus malma malma*) populations in the western Canadian Arctic rivers of the Yukon and Northwest Territories. Sampling years varied by river:

* Firth River (2014–2020)
* Joe Creek (2014–2020)
* Babbage River (2010–2020)
* Big Fish River (2009–2020)
* Rat River (2007–2020)

Fish were captured annually using seine nets, tagged, and released, with sex (if identified) and reproductive state recorded at the time of capture. These capture–recapture data were collected to study survival and reproductive patterns of Dolly Varden, a species of cultural and subsistence im...,

探明鲑科鱼类生存状态与繁殖状态之间的内在关联，对于渔业管理与物种保护工作均具有重要意义；但这类物种复杂的生活史特征为相关研究带来了诸多挑战。溯河产卵的花羔红点鲑（anadromous Dolly Varden, *Salvelinus malma*）的生存概率受其繁殖周期影响，而由于繁殖状态会因个体性别不同而存在差异，预测其后续年份的繁殖状态颇具难度。本研究基于科马克-乔利-西伯模型（Cormack-Jolly-Seber model）构建了贝叶斯多状态捕获-再捕获模型（Bayesian multi-state capture-recapture model），该模型可估算繁殖状态转移概率、生存概率以及性别对状态转移的影响。我们将此模型应用于加拿大北极西部5个河流系统中收集的花羔红点鲑相关数据，结果表明繁殖状态转移概率存在性别特异性差异：雌性个体向繁殖状态的转移率显著更高。此外，生存概率同时受性别与繁殖状态影响……
# 基于贝叶斯多状态捕获-再捕获模型评估繁殖状态变化对溯河产卵花羔红点鲑（*Salvelinus malma*）生存的影响

数据集DOI: [10.5061/dryad.bzkh189pw](10.5061/dryad.bzkh189pw)

## 数据与文件结构说明
本数据集源自加拿大渔业与海洋部（Fisheries and Oceans Canada, DFO）开展的长期监测项目，监测对象为加拿大北极西部育空地区与西北地区河流中的北部花羔红点鲑（Northern Dolly Varden, *Salvelinus malma malma*）种群。各河流的采样年份存在差异：
* 弗斯河（Firth River，2014–2020）
* 乔溪（Joe Creek，2014–2020）
* 巴贝奇河（Babbage River，2010–2020）
* 大鱼河（Big Fish River，2009–2020）
* 拉特河（Rat River，2007–2020）

研究人员每年使用围网捕获鱼类，对其进行标记后放归，并在捕获时记录个体性别（若可识别）与繁殖状态。本批捕获-再捕获数据旨在研究花羔红点鲑的生存与繁殖模式，该物种在当地兼具文化与生存……