A preliminary assessment of fish and coral communities on reefs in Ningaloo Marine Park, Western Australia

Ningaloo Marine Park extends southward from North West Cape along 230 km of coastline. In most places, the seaward margin of the reef is generally less than 3 km from the shoreline, with a sandy lagoon between the reef edge and the shoreline.During this first AIMS survey of fish and coral communities within the Ningaloo Reef system, 26 sites were visited. Systematic surveys of coral and fish community structure were carried out at five locations along the length of the Ningaloo Reef (separated by 10s of km). Within each region, surveys were made at two sites on both the outer reef slope and within the shallow lagoon. In response to a request from the Western Australian Department of Conservation and Land Management (CALM), surveys were also carried out at six sites within the Ningaloo Dugong Sanctuary.
There was scant biological information available regarding coral and fish populations within the Ningaloo Marine Park. Veron (1993) recorded 214 species of corals in Ningaloo Reef. Hutchins (1994) recorded 482 fish species, making it the most diverse mainland reef habitat along the Australian coast. The first quantitative assessments of coral and fish populations were carried out in the late 1980s (Ayling and Ayling, 1987).Prior to the AIMS surveys, no baseline ecological data had been collected on benthic and fish communities within the Ningaloo Dugong sanctuary zone.
Fish were surveyed using actual counts on 20 minute timed transects (three transects per site). Video surveys were carried out on 20 metre transects (5 transects per site). The starting point for fish and video transects were the same, but observers moved in different directions from that point.Lists were made of fish and coral species observed at each site and specimens of coral and algae were taken for taxonomic reference collections.

宁格罗海洋公园（Ningaloo Marine Park）从西北角向南延伸，覆盖230公里海岸线。多数区域内，珊瑚礁的向海边缘距岸线通常不足3公里，礁缘与岸线之间发育有沙质泻湖。本次为针对宁格罗礁系统内鱼类与珊瑚群落的首次澳大利亚海洋科学研究所（Australian Institute of Marine Science, AIMS）调查，共走访了26个调查点位。研究人员沿宁格罗礁全线设置了5个间隔数十公里的调查区域，对各区域内的珊瑚与鱼类群落结构开展系统性调查。在每个调查区域内，分别于外礁坡与浅泻湖内各设置2个调查点位。应西澳大利亚州保护与土地管理局（CALM）的要求，调查团队同时在宁格罗儒艮保护区（Dugong Sanctuary）内布设了6个调查点位。

此前宁格罗海洋公园内的珊瑚与鱼类种群生物学资料极为匮乏。Veron（1993）在宁格罗礁记录到214种珊瑚；Hutchins（1994）则记录到482种鱼类，使其成为澳大利亚沿海沿岸物种多样性最高的近海礁生境。针对珊瑚与鱼类种群的首次定量评估始于20世纪80年代末（Ayling与Ayling, 1987）。在本次AIMS调查开展之前，宁格罗儒艮保护区内的底栖生物与鱼类群落尚无基线生态数据。

鱼类调查采用20分钟计时样带（transects）实测计数法，每个点位设置3条样带；视频样带调查则以20米为样带长度开展，每个点位设置5条样带。鱼类与视频样带的起始点位一致，但调查人员从该点位出发后沿不同方向行进。研究人员对每个调查点位观测到的鱼类与珊瑚物种进行了名录编制，并采集了珊瑚与藻类标本，用于构建分类学参考标本集。

搜集汇总

背景与挑战

背景概述

该数据集是澳大利亚海洋科学研究所对宁格鲁海洋公园珊瑚礁鱼类和珊瑚群落的首次系统调查，覆盖26个站点，包括外礁坡、浅泻湖和儒艮保护区，采用定时样线计数和视频样线方法收集数据。数据集提供了物种多样性信息（如214种珊瑚和482种鱼类），并强调其作为非营利用途的基础生态数据，用于填补该区域生物信息空白。