Viability of Sea Fan Populations Impacted by Disease: Recruitment versus Incidence

<div>Asymptotic population growth rate (<svg height="9.49473pt" id="M160" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -9.28833 7.55047 9.49473" width="7.55047pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M547 100L523 123C489 76 461 62 452 62C442 62 433 71 427 109C405 243 387 408 378 495C360 666 322 710 263 710C230 710 182 688 161 667L170 639C184 646 203 651 218 651C247 651 272 634 288 562C297 521 300 485 304 436C230 267 111 104 24 11L33 -12L116 6C163 73 263 255 311 362L347 84C355 26 373 -12 406 -12C440 -12 489 12 547 100Z" id="g50-233"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="571" vert-adv-y="571"></glyph.data></g></svg>) in the sea fan<i> Gorgonia ventalina</i> as a function of disease incidence for high (1.3 recruits/year/adult colony) and low (0.19 recruits/year/adult colony) levels of recruitment. Incidence threshold for population viability (<svg height="10.4473pt" id="M161" style="vertical-align:-1.15897pt" version="1.1" viewbox="-0.0498162 -9.28833 38.676 10.4473" width="38.676pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M547 100L523 123C489 76 461 62 452 62C442 62 433 71 427 109C405 243 387 408 378 495C360 666 322 710 263 710C230 710 182 688 161 667L170 639C184 646 203 651 218 651C247 651 272 634 288 562C297 521 300 485 304 436C230 267 111 104 24 11L33 -12L116 6C163 73 263 255 311 362L347 84C355 26 373 -12 406 -12C440 -12 489 12 547 100Z" id="g50-233"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="571" vert-adv-y="571"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,11.096,0)"><path d="M552 293V344L59 566V507L489 319L59 131V72L552 293ZM552 -41V12H59V-41H552Z" id="g54-94"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="611" vert-adv-y="611"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,22.714,0)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z" id="g50-50"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,29.046,0)"><path d="M117 -12C153 -12 178 12 178 50C178 84 153 110 118 110C84 110 59 84 59 50C59 12 84 -12 117 -12Z" id="g50-47"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="237" vert-adv-y="237"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,32.126,0)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z" id="g50-49"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g></svg>) is shown.</div>

Journal of Marine Sciences

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Figure 1

Figure 1: Viability of Sea Fan Populations Impacted by Disease: Recruitment versus Incidence 