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受到石珊瑚组织损失疾病影响的珊瑚可以产生可行的后代

Sandra Mendoza Quiroz^1,2, Raúl Tecalco Renteria^1,2, Gandhi Germán Ramírez Tapia^1,2

¹SECORE International, Miami, FL, United States of America.

|July 19, 2023

概括

受到石珊瑚组织损失疾病 (SCTLD) 影响的珊瑚的幼虫恢复是可行的. 患病的Pseudodiploria strigosa父母的后代表现出成功的受精,定居和生存,支持恢复工作.

科学领域:

海洋生物学海洋生物学
珊瑚礁生态珊瑚礁生态
保护科学保护科学

背景情况:

岩石珊瑚组织损失疾病 (SCTLD) 导致加勒比珊瑚的死亡率显著,影响至少25种珊瑚.
在墨西哥加勒比海,Pseudodiploria strigosa对SCTLD高度敏感,导致人口密度降低和受精成功.
基于幼虫的恢复是一种潜在的策略,但人们对受影响的珊瑚父母传播疾病存在担忧.

研究的目的:

评估Pseudodiploria strigosa的生殖成功和早期生命史表现,使用来自健康和受SCTLD影响的殖民地体.
评估使用患病的珊瑚群落在辅助性繁殖中用于珊瑚礁恢复的可行性.

主要方法:

进行了交叉受精实验,使用来自健康的P. strigosa殖民地和具有显著SCTLD组织损失的殖民地的配子.
结果的幼虫的受精,定居和定居后的生存 (在户外中超过一年) 被监测.
来自患病的父母交叉的新兵被移植到一个退化的珊瑚礁上,以评估13个月的生存率和生长率.

主要成果:

来自患病父母交叉的后代的受精和结算率与健康父母交叉的后代相似.
在户外坦克中,安置后的生存率在一年内为7.8%.
来自患病父母的外置新兵在13个月后约有44%的生存率和0.365毫米/月的生长率.

结论:

使用SCTLD受影响的Pseudodiploria strigosa殖民地体细胞的辅助性繁殖是恢复珊瑚礁的可行方法.
这项研究表明,即使有重大疾病负担的珊瑚也可以为成功的幼虫繁殖和外栽做出贡献.
这些发现支持在恢复计划中使用患病的母殖民地,以支持SCTLD敏感珊瑚物种的种群.

关键词:

大脑珊瑚 - 大脑珊瑚 "珊瑚"招募了一些人.在受精过程中,受精墨西哥加勒比海墨西哥加勒比海伪二多种群 (Pseudodiploria strigosaosa) 是一个类型.在SCTLD中,它是最重要的.结算解决方案结算解决方案

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