Integrating genomics, phenotypes and local ecological knowledge towards improving capelin stock management in Canadian Atlantic and Arctic waters

整合基因组学、表型和当地生态知识，改善加拿大大西洋和北极水域的毛鳞鱼种群管理

• 批准号: 493768-2016
• 负责人: Bernatchez, Louis
• 金额: $ 17.02万
• 依托单位: Université Laval
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=642120
• 关键词: Integrating; genomics; phenotypes; local; ecological

The objective of this project is to generate new knowledge that will contribute to maintain the long-term sustainability of capelin (Mallotus villosus), which is a species of major importance for communities throughout north-eastern Canadian coastline, both as a food and fishery resource, as well as a keystone species in the food web for other commercial fish, but also many mammals and seabirds. We will rigorously document capelin population structure, biological characteristics and population dynamics in the boreal, subarctic and Arctic regions of eastern Canada, and will document the genetic connectivity between capelin stocks in Canadian and Greenland waters. To achieve these goals, the proposed specific objectives will fully integrate the most recent developments in population genomics (objective 1) with phenotypic information (objective 2) and local ecological knowledge and observatory networks (objective 3). From an applied perspective, this project will integrate knowledge to improve policies and management practices by identifying management units and documenting biological characteristics, distribution, and timing and location of spawning in almost the entire range of capelin distribution, including its most northern range. As such, this project will fill a knowledge gap for stock assessment and management practices throughout this vast area in Eastern Canada. Further, determining whether the Labrador Sea represents a mixing zone of capelin stocks from three regions (Canadian Atlantic & Arctic, western Greenland) might have direct impact on the management of capelin internationally. From a fundamental point of view, the approaches developed will serve as a general model for the identification of biological units in marine ecosystems, where major breakthroughs in the field of population genomics are forcing researchers to reconsider their open nature. Integrating knowledge from multi-disciplinary fields to delineate different stocks will provide a better understanding of the dynamics governing capelin growth, distribution and availability both as a key stone species in marine ecosystems and for fishery exploitation.

这个项目的目的是产生新的知识，有助于维持开普林(Mallotus Villosus)的长期可持续性，它是加拿大东北海岸线社区的一个重要物种，既是一种食物和渔业资源，也是其他商业鱼类、但也是许多哺乳动物和海鸟食物网中的一个关键物种。我们将严格记录加拿大东部北部、亚北极和北极地区的海豚种群结构、生物学特征和种群动态，并将记录加拿大和格陵兰水域海豚种群之间的遗传联系。为实现这些目标，拟议的具体目标将充分结合种群基因组学的最新发展(目标1)、表型信息(目标2)以及当地生态知识和观测网络(目标3)。从应用的角度来看，该项目将整合知识，以改进政策和管理做法，方法是确定管理单位，并记录几乎整个开普林分布范围，包括其最北部范围内的生物特征、分布以及产卵的时间和地点。因此，该项目将填补加拿大东部这一广大地区在库存评估和管理实践方面的知识空白。此外，确定拉布拉多海是否代表来自三个区域(加拿大大西洋和北极、格陵兰西部)的开普林种群的混合区，可能会对国际上的开普林管理产生直接影响。从根本上说，所开发的方法将作为确定海洋生态系统中生物单位的一般模式，在这一领域，种群基因组学领域的重大突破正迫使研究人员重新考虑其开放性。综合多学科领域的知识来划分不同的种群，将使人们更好地了解作为海洋生态系统和渔业开发关键石种的喜毛鱼的生长、分布和可获得性。