Artificial light at night alters the locomotor behavior of the Mediterranean sea urchin Paracentrotus lividus

被引:1
|
作者
Sanna, Giorgia [1 ]
Domenici, Paolo [2 ]
Maggi, Elena [1 ]
机构
[1] Univ Pisa, CoNISMa, Dipartimento Biol, via Derna 1, I-56126 Pisa, Italy
[2] IBF CNR, Consiglio Nazl Ric, Area Ric San Cataldo,via G Moruzzi 1, I-56124 Pisa, Italy
关键词
ALAN; Light pollution; Sea urchin; Paracentrotus lividus; Behavior; Locomotion; DIADEMA-ANTILLARUM PHILIPPI; PATTERNS; POLLUTION; MOVEMENT; FOOD;
D O I
10.1016/j.marpolbul.2024.116782
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Artificial light at night (ALAN) is a recognized source of anthropogenic disturbance, although its effects on biological systems have not been fully explored. Within marine ecosystems, coastal areas are the most impacted by ALAN. Here, we focused on the Mediterranean sea urchin Paracentrotus lividus, which has a crucial role in shaping benthic ecosystems. Our objective was to investigate if ALAN affects the nocturnal locomotor behavior of P. lividus. A semi-controlled field study was conducted along a rocky shore near a promenade lit at night. Results suggested a potential impact of ALAN on the locomotor behavior of sea urchins. Individuals of P. lividus tended to move away from the light sources while its directions in dark conditions were uniform. Their locomotor performance, in presence of ALAN, was characterized by shorter latency time, lower sinuosity and higher mean speed at increasing light intensity, with potential cascading effect at the ecosystem level.
引用
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页数:7
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