The biodiversity hotspot of New Caledonia faces extensive landscape fragmentation. Progress of restoration practices is critical to address this problem for reestablishment of ecological continuities. The objective of our study, which can be considered as a first step, was to support appropriate species selection for restoration of fragmented habitats. We assessed seed dispersal, seed dormancy, and seed desiccation tolerance of 407 species from Forest (F) and Maquis (M) vegetation on ultramafic soils in southern New Caledonia. The primary seed dispersal mode was animals (zoochory, 53%). Overall, we found 34% of the taxa had some seed dormancy, and 72.9% had orthodox seeds. Wind‐dispersed (anemochorous) species had predominantly non‐dormant and orthodox seeds, whereas zoochorous species had seeds with at least some dormancy potential and higher recalcitrance. Further assessments were performed on 70 of the taxa, those currently used in ecological restoration. Their primary seed dispersal mode was found to be anemochory, 42.5% in Maquis (M) alone, and 40% in Forest and Maquis (FM) combined. Non‐dormant seeds were prevalent both in M (82.5%) and FM (90%), and orthodoxy was the seed desiccation tolerance type most common in both vegetation types (95% and 66%, respectively in M and FM). Thus, the seeds currently used in restoration projects are mainly wind‐dispersed orthodox seeds. To enhance both functional and phylogenetic diversity in restored areas, we recommend including fleshy‐fruited, animal‐dispersed taxa in restoration programs.

中文翻译：

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种子性状对新喀里多尼亚亚热带热点地区五郎高原超镁铁质植物分类的恢复意义

新喀里多尼亚的生物多样性热点面临着广泛的景观破碎化。恢复实践的进展对于解决该问题以恢复生态连续性至关重要。我们研究的目的（可以视为第一步）是为恢复破碎的生境提供适当的物种选择支持。我们评估了新喀里多尼亚南部超镁铁质土壤上来自森林（F）和马奎斯（M）植被的407种植物的种子散布，种子休眠和耐干燥性。主要的种子传播方式是动物（动物，53％）。总体而言，我们发现34％的分类单元具有种子休眠状态，而72.9％的具有正统种子。风散（气生）物种主要是非休眠和正统种子，食肉动物的种子至少具有一定的休眠潜力和较高的抵抗力。目前对生态恢复中使用的70个分类单元进行了进一步评估。他们的主要种子传播方式是驱风，仅Maquis（M）占42.5％，Forest and Maquis（FM）占40％。非休眠种子在M（82.5％）和FM（90％）中均很普遍，正统是种子脱水耐性类型，在两种植被类型中最常见（M和FM分别为95％和66％）。因此，目前用于修复项目的种子主要是风散正统种子。为了增强恢复地区的功能和系统发育多样性，我们建议在恢复计划中包括肉类，动物分散的类群。目前用于生态修复的那些。他们的主要种子传播方式是驱风，仅Maquis（M）占42.5％，Forest and Maquis（FM）占40％。非休眠种子在M（82.5％）和FM（90％）中均很普遍，正统是种子脱水耐性类型，在两种植被类型中最常见（M和FM分别为95％和66％）。因此，目前用于修复项目的种子主要是风散正统种子。为了增强恢复地区的功能和系统发育多样性，我们建议在恢复计划中包括肉类，动物分散的类群。目前用于生态修复的那些。他们的主要种子传播方式是驱风，仅Maquis（M）占42.5％，Forest and Maquis（FM）占40％。非休眠种子在M（82.5％）和FM（90％）中均很普遍，正统是种子脱水耐性类型，在两种植被类型中最常见（M和FM分别为95％和66％）。因此，目前用于修复项目的种子主要是风散正统种子。为了增强恢复地区的功能和系统发育多样性，我们建议在恢复计划中包括肉类，动物分散的类群。5％）和FM（90％），而在两种植被类型中（M和FM分别为95％和66％），最常见的是种子耐旱类型。因此，目前用于修复项目的种子主要是风散正统种子。为了增强恢复地区的功能和系统发育多样性，我们建议在恢复计划中包括肉类，动物分散的类群。5％）和FM（90％），而在两种植被类型中（M和FM分别为95％和66％），最常见的是种子耐旱类型。因此，目前用于修复项目的种子主要是风散正统种子。为了增强恢复地区的功能和系统发育多样性，我们建议在恢复计划中包括肉类，动物分散的类群。