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解惑“外卖GayChin快递Gay”-梳理天下新闻

广东丹霞山再添3外卖GayChin快递Gay个新物种

来源: 中国基金报
2024-12-07 06:51:29

最佳回答

“外卖GayChin快递Gay”广东丹霞山再添3外卖GayChin快递Gay个新物种

  中新外卖GayChin快递Gay网韶关12月6日电 (记者外卖GayChin快递Gay 王坚)据广东韶关市丹霞山管委会(下称“管委会”)6日消息,中山大学生命科学学院贾凤龙教授团队和韶关学院贺爱兰教授团队在丹霞山分别发现了2个水生甲虫新种(陈氏佐藤淘甲、丹霞阿牙甲)和1个蜘蛛新种(黑盾球蛛)。

  管委会表示,此次新种的发现再次验证了丹霞山这样的丹霞地貌区域存在着独特的生境和生态区系。至此,在丹霞山已累计发现新物种48个,其中包括植物24种、动物17种、菌物和微生物7种。

  贾凤龙介绍,此次发现的两个甲虫新种都是亲水物种,生境以阴湿峭壁为主,分别与杨圳明、梁祖龙等合作发表在《动物分类群》(ZOOTAXA)2024年10月刊。其中陈氏佐藤淘甲是目前发现的甲虫中体型最小的物种,体长仅1.2-1.4毫米。佐藤淘甲属此前在中国已知有5种,但陈氏佐藤淘甲是首次在丹霞山发现的唯一淘甲种类,填补了丹霞山淘甲类昆虫研究上的空白。

  丹霞阿牙甲同样属于体型较小的甲虫,体长2.1–2.3毫米。该种具有独特的形态特征,如明显微网纹的唇基、统一黄色的大颚触角节、九节的触角以及四行鞘翅系统刻点等。通过细致的对比研究,科研人员发现新种在中叶顶端三分之一处没有突然显著变窄,阳茎侧叶在顶端三分之一处强烈向内变窄并圆滑地向内突出,这些特征使得丹霞阿牙甲成为一个独立的新物种。

  贾凤龙老师介绍,至今在丹霞山区域已发现8个水生甲虫新种,标本分别采集自湿润的崖壁、山涧小溪、水沟中的岩石堆以及水塘等水生环境。丹霞山丰富的水生环境为甲虫多样性提供了得天独厚的生存条件。

  黑盾球蛛是贺爱兰团队在丹霞山发现的第4个蜘蛛新种,发表在《蛛型学报》第33卷第2期(2024年11月),为丹霞山的蜘蛛多样性再添成果。黑盾球蛛隶属于管蛛科盾球蛛属,体长仅1.93毫米,为小型蜘蛛。该属生境多样,包括阴暗潮湿的雨林、干旱的草原和沙漠,或生活于树冠,但多采集于地面落叶层。

  贺爱兰介绍,目前全球已知的盾球蛛属24种,仅2022年在新热带区发现了一种,此次丹霞山发现的黑盾球蛛再次扩大了该种的分布范围。

  据统计,丹霞山作为生物多样性丰富的自然保护区,其独特的地理环境和气候条件为蜘蛛等生物的繁衍提供了得天独厚的条件,已发现蜘蛛上百种,其中新种4个,包括丹霞呵叻蛛、丹霞华盾蛛、丹霞大斑蛛和黑盾球蛛。蜘蛛作为陆地上多样性最丰富的捕食类群之一,在生物防治和维持生态平衡方面具有重要作用。(完)

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