{"id":2264,"date":"2021-09-13T08:01:35","date_gmt":"2021-09-13T12:01:35","guid":{"rendered":"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/?p=2264"},"modified":"2023-07-28T15:39:43","modified_gmt":"2023-07-28T19:39:43","slug":"how-do-hurricanes-affect-coral-reef-fish","status":"publish","type":"post","link":"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/how-do-hurricanes-affect-coral-reef-fish\/","title":{"rendered":"How Do Hurricanes Affect Coral Reef Fish?"},"content":{"rendered":"\n

Underwater sounds can provide important clues about the ecological health of a reef fish community.<\/strong><\/p>\n\n\n\n

Hurricane season is upon us.<\/p>\n\n\n\n

These storms wreak havoc on marine ecosystems, destroying coral reefs, mixing up the water column, redistributing bottom sediments, and increasing pollution through stormwater runoff. Hurricanes also cause fish to evacuate nearshore estuaries and coastal ocean environments for deeper water.<\/p>\n\n\n\n

Research Need<\/strong><\/h3>\n\n\n\n

One of the most common ways to assess the impact of a disturbance on a population or community of fish is to look at changes in the diversity and numbers of fish in a location.<\/p>\n\n\n\n

Sound, however, also is a driving force of ecological function. Whether fish are capturing prey, avoiding predators, listening for weather changes, or communicating with other species, they rely on sound as a critical component of normal function.<\/p>\n\n\n\n

Thus, the underwater \u201csoundscape\u201d \u2014 the collective sounds from marine life and naturally occurring events (such as breaking waves) \u2014  is important to study and understand, especially if and when the soundscape fluctuates. In fact, changes to a marine environment\u2019s soundscape from human causes or natural causes (like hurricanes) can directly impact overall ecological health and the well-being of individual species.<\/p>\n\n\n\n

But, not much is known about storm impacts on coral reef soundscapes.<\/p>\n\n\n\n

What did they study?<\/strong><\/h3>\n\n\n\n

Scientists examined the impacts of Hurricane Irma on the soundscape at two reef sites within the Florida Keys National Marine Sanctuary. Hydrophones (microphone-like technology designed to listen underwater) recorded the sound levels occurring on the reefs in the months leading up to Irma, during the hurricane, and after the storm passed.<\/p>\n\n\n\n

Generally, sound production by reef fishes varies between daytime and nighttime. From the hydrophone data, the scientists were able to differentiate the noise patterns of different species in the soundscape to assess whether the hurricane disrupted this pattern.<\/p>\n\n\n\n

What did they find?<\/strong><\/h3>\n\n\n\n

The team observed that, on short time scales, daily patterns in the coral reef soundscape were resilient, despite \u201cacoustic energy\u201d (sound waves traveling through the water) during the storm and despite changes in environmental conditions resulting from hurricane damage.<\/p>\n\n\n\n

Before the storm, the soundscape included a distinct daily, low-frequency pattern from sound-producing fish (including sea basses, groupers, snappers, drums, and grunts). During the twilight periods, there was increased high-frequency sound from snapping shrimp. In the weeks following the storm, the sound patterns produced by the fish were similar to those before, and the high-frequency noise associated with snapping shrimp showed only a small shift.<\/p>\n\n\n\n

Anything else?<\/strong><\/h3>\n\n\n\n

As the storm passed, the cumulative acoustic energy near the seabed was comparable to a small vessel operating continuously overhead for 1 to 2 weeks, depending on the study site.<\/p>\n\n\n\n

The extent to which a coral reef soundscape recovers from a hurricane may depend on characteristics of the reef, such as its structural complexity or the relative abundance of certain species \u2014 as well as characteristics of the storm itself, such as wind speed, direction, and duration.<\/p>\n\n\n\n

Reading<\/strong><\/h3>\n\n\n\n

Simmons, K.R., Eggleston, D.B., and D.R. Bohnenstiehl. 2021. Hurricane impacts on a coral reef soundscape<\/a>. PLoS ONE<\/em> 16(2): e0244599.<\/p>\n\n\n\n

This research was supported by the Coral Reef Conservation Fund (Contract NA18NOS4820113:<\/em>https:\/\/coralreef.noaa.gov\/<\/em><\/a>), the NOAA National Marine Sanctuary Program (Requisition NFFM7320-19-01243: <\/em>https:\/\/sanctuaries.noaa.gov\/<\/em><\/a>), and the NC State University Center for Marine Sciences and Technology.<\/em><\/p>\n\n\n\n

Summary compiled by Sara Mirabilio.
Lead photo: Irma, September 2017, courtesy of NOAA\/NASA.<\/em><\/p>\n\n\n\n

The text from Hook, Line & Science<\/em> is available to reprint and republish, but only in its entirety and with this attribution: Hook, Line & Science<\/em>, courtesy of Scott Baker and Sara Mirabilio, North Carolina Sea Grant. HookLineScience.com.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Underwater sounds can provide important clues about the ecological health of a reef fish community.<\/p>\n","protected":false},"author":89,"featured_media":2266,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ncst_custom_author":"","ncst_show_custom_author":false,"ncst_dynamicHeaderBlockName":"","ncst_dynamicHeaderData":"","ncst_content_audit_freq":"","ncst_content_audit_date":"","ncst_content_audit_display":false,"ncst_backToTopFlag":"","footnotes":""},"categories":[14,16],"tags":[],"class_list":["post-2264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecosystems","category-research"],"displayCategory":null,"acf":{"ncst_posts_meta_modified_date":null},"yoast_head":"\nHow Do Hurricanes Affect Coral Reef Fish? - Hook, Line and Science<\/title>\n<meta name=\"description\" content=\"Underwater sounds can provide important clues about the ecological health of a reef fish community.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/how-do-hurricanes-affect-coral-reef-fish\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Do Hurricanes Affect Coral Reef Fish?\" \/>\n<meta property=\"og:description\" content=\"Studying the underwater soundscape offers insight.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/how-do-hurricanes-affect-coral-reef-fish\/\" \/>\n<meta property=\"og:site_name\" content=\"Hook, Line and Science\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-13T12:01:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-28T19:39:43+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/ncseagrant.ncsu.edu\/hooklinescience\/wp-content\/uploads\/sites\/14\/2021\/09\/HLS-soundscape-Geocolor_Image_of_Hurricane_Irma-NOAA-NASA.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1505\" \/>\n\t<meta property=\"og:image:height\" content=\"805\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Staff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"How Do Hurricanes Affect Coral Reef Fish?\" \/>\n<meta name=\"twitter:description\" content=\"Studying the underwater soundscape offers insight.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/wp-content\/uploads\/sites\/14\/2021\/09\/HLS-soundscape-Geocolor_Image_of_Hurricane_Irma-NOAA-NASA.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Staff\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/how-do-hurricanes-affect-coral-reef-fish\/\",\"url\":\"https:\/\/ncseagrant.ncsu.edu\/hooklinescience\/how-do-hurricanes-affect-coral-reef-fish\/\",\"name\":\"How Do Hurricanes Affect Coral Reef Fish? 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