Nothing is known about the impact on marine meiofauna of submarine volcanic eruptions in the Grenada Basin. The benthic foraminiferal fauna is here examined in piston cores taken within ∼8 – 38 km of the crater of Kick ‘em Jenny (KeJ), decadal eruptions of which disseminate ash to the NW via the Caribbean Current. Piston core Gs29, taken ∼8 km W of the crater, consists of clay-rich material from the Globorotalia menardii Zone U, ∼500 ka old, probably exposed by slumping. The remaining cores (from proximal to distal: GC59, GC90, GC99 and GC100), taken between 1000 – 3000 m water depth, comprise volcanic ash and are of presumed Holocene age. Recovery from GC59, GC90 and GC99, the last taken 27.3 km NW of the crater, was poor and apparently reflects volcanic ash impact. Recovery from GC100, 38 km NW of the crater and from the basin floor, was rich. Thus, KeJ disrupts seafloor colonization by foraminifera up to 32 – 38 km from the crater. Bolivina spp., indicative of low dissolved oxygen concentrations, dominated the assemblage in proximal core Gs29. Cassidulina spp. dominated the distal core GC100 assemblage, indicating somewhat higher dissolved oxygen concentrations. This might reflect a long-term change in productivity in the area, or a nutrient-rich surface eddy to the lee of Grenada. Allochthonous, shallow-water foraminifera, recovered throughout cores Gs29 and GC100, were more abundant in the latter. This might indicate that Grenada protects nearshore foraminifera from disruptive hurricanes.

中文翻译：

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海底火山基姆·詹妮（Kick'em Jenny）对底栖有孔虫的影响

关于格林纳达盆地海底火山喷发对海洋动物群落的影响一无所知。在这里，对底栖有孔虫动物群进行了研究，这些底栖动物取自Kick'em Jenny（KeJ）火山口约8-38公里内的活塞芯，年代际喷发通过加勒比海流将灰烬散布到西北部。活塞核心Gs29距火山口约8公里，由U球藻（Globorotalia menardii）U区（约500 ka老）中富含粘土的材料组成，可能因坍落而暴露。剩余的岩心（从近端到远端：GC59，GC90，GC99和GC100）取水深度在1000-3000 m之间，包括火山灰，并具有全新世年龄。从火山口的最后一个净空27.3公里处，GC59，GC90和GC99的回收率很低，显然反映了火山灰的影响。西北距火山口38公里和盆地底部的GC100的回收非常丰富。因此，KeJ破坏了距火山口长达32-38公里的有孔虫的海底定居。表示低溶解氧浓度的Bolivina spp。在近端核心Gs29中占主导地位。酪蛋白菌属。远端核心GC100组件占主导地位，表明溶解氧浓度略高。这可能反映了该地区生产力的长期变化，或格林纳达酒后李的营养丰富的表面涡流。在核心Gs29和GC100中回收的异源浅水有孔虫在后者中更为丰富。这可能表明格林纳达保护近海有孔虫免受破坏性飓风的侵袭。在近端核心Gs29中占主导地位。酪蛋白菌属。远端核心GC100组件占主导地位，表明溶解氧浓度略高。这可能反映了该地区生产力的长期变化，或者反映了格林纳达酒糟的营养丰富的表面涡流。在整个Gs29和GC100岩心中回收的异源浅水有孔虫在后者中更为丰富。这可能表明格林纳达保护近海有孔虫免受破坏性飓风的侵袭。在近端核心Gs29中占主导地位。酪蛋白菌属。远端核心GC100组件占主导地位，表明溶解氧浓度略高。这可能反映了该地区生产力的长期变化，或格林纳达酒后李的营养丰富的表面涡流。在核心Gs29和GC100中回收的异源浅水有孔虫在后者中更为丰富。这可能表明格林纳达保护近海有孔虫免受破坏性飓风的侵袭。在后者中更为丰富。这可能表明格林纳达保护近海有孔虫免受破坏性飓风的侵袭。在后者中更为丰富。这可能表明格林纳达保护近海有孔虫免受破坏性飓风的侵袭。