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Strengthening the conservation value of ex situ tree collections

机译：加强非原生境树种的保护价值

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With 10% of trees (>8,000 species) threatened with extinction there is an urgent need for botanical gardens to protect threatened trees in dedicated conservation collections. Species conservation is mentioned in the mission statements of most major botanical gardens, yet the actual conservation value of existing ex situ tree collections is low. We conducted interviews with members of the botanical garden community and organized a symposium at the 5th Global Botanic Gardens Congress to identify challenges and collect recommendations to improve living ex situ tree collections. We summarize and evaluate this information to facilitate gardens becoming more effective agents for global tree conservation. Experts agree that gardens offer valuable strengths and assets for tree conservation. Some challenges exist, however, including a lack of strategic conservation focus, collection management limitations, gaps in fundamental biological information for trees, and a lack of global coordination. Solutions are offered to facilitate gardens and arboreta of all sizes to participate more effectively in tree conservation. Prioritizing genetically diverse tree collections, participating in conservation networks, developing tree-specific conservation models and guidelines, and strengthening tree science research efforts are a few examples. Most importantly, a more coordinated global effort is needed to fill knowledge gaps, share information, and build conservation capacity in biodiversity hotspots to prevent the loss of tree species.
机译：由于有10％的树木（> 8,000种）受到灭绝的威胁，迫切需要植物园来保护专用保护集合中的濒危树木。大多数主要植物园的任务说明中都提到了物种保护，但是现有异地树木收藏的实际保护价值很低。我们对植物园社区的成员进行了采访，并在第五届全球植物园大会上组织了一次座谈会，以发现挑战并收集建议，以改善非原生境树木的生活。我们总结并评估此信息，以促进花园成为全球树木保护的更有效代理。专家们一致认为，花园为树木保护提供了宝贵的优势和资产。但是，仍然存在一些挑战，包括缺乏战略保护重点，收集管理方面的限制，树木基本生物信息方面的差距以及缺乏全球协调。提供解决方案以促进各种规模的花园和树木乔木更有效地参与树木保护。优先考虑遗传多样性树木的收集，参与保护网络，开发针对树木的特定保护模型和指南以及加强树木科学研究的努力就是几个例子。最重要的是，需要采取更加协调一致的全球努力来填补知识空白，共享信息并在生物多样性热点地区建立保护能力，以防止树木物种的流失。

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