Abstract Worldwide, there are concerns about the potential impact of a growing tourism industry on behaviour and ecology sharks. Several shark species key attractions in scuba diving both Galápagos Marine Reserve (Ecuador) Sanctuary Fauna Flora Malpelo (Colombia). In this study, reactions five to divers were investigated Malpelo. Four discrete categories reaction (evasion, spontaneous approach, alert no reaction) identified analysed against diver (direct camera flash, sudden movement, noise...

This study, conducted from June 1996 to July 1997, was directed at determining the abiotic environmental factors governing distribution of bottlenose dolphin (Tursiops truncatus) and pan-tropical spotted (Stenella attenuata) in Golfo Dulce.The associated with significantly deeper zones (t-test = -9.761;p < 0.001, n 202) higher salinity -3.538;p 0.001; than dolphin.The combination variables areas each species Dulce different, both spatially (F 9.724, df 12; p 0.001) seasonally 9.735;...

This study focused on the short-term reactions of six key species (Taeniura meyeri, Aetobatus narinari, Triaendon obesus, Chelonia mydas, Phalacrocorax harrisi, and Zalophus californianus) during tourism activities (SCUBA diving, panga-ride, snorkeling, hiking) at 16 tourist sites islands. For each we recorded its behavior when first encountering tourists reaction following this encounter. A Correspondence Analysis revealed that type depended significantly touristic activity, with exception...

ABSTRACT Understanding spatial interactions between specific sources of anthropogenic impact on cetaceans and the ecological conditions intrinsic to these mammals, has several applications for conservation management. Here cetacean habitats are classified into vulnerability levels by combining human development metrics characteristics, allowing areas identified as more vulnerable be given management priority. Ten bio‐physical factors were key shapers and, using Gulf California a case study,...

This study focused on the short-term reactions of six key species (Taeniura meyeri, Aetobatus narinari, Triaendon obesus, Chelonia mydas, Phalacrocorax harrisi, and Zalophus californianus) during tourism activities (SCUBA diving, panga-ride, snorkeling, hiking) at 16 tourist sites islands. For each we recorded its behavior when first encountering tourists reaction following this encounter. A Correspondence Analysis revealed that type depended significantly touristic activity, with exception...

Introducción: Hasta hoy, no ha sido analizado el esfuerzo pesquero por parte de flotas extranjeras en Pacífico Costa Rica. Objetivo: Determinar la distribución espacial su pesquero, variables que moldean esa distribución, y si esas interactúan con figuras manejo ecosistemas altamente frágiles. Métodos: A partir datos 2012 a 2020, obtenidos Global Fishing Watch, fue calculado un Índice Esfuerzo Pesquero (IEP) sobre cual aplicada estadística geoespacial multivariada, así como modelos regresión...

The Antillean manatee is a poorly studied marine mammal in Costa Rica. Its distribution covers the entire Caribbean coast, but sighting reports are scarce. This research was conducted three protected areas (PA) where species primarily observed. objectives were to determine density patterns of sightings and grazing spots; explore relationship between spots with geographic temporal variables, for PA separately; study frequency according season, month, period day, together; pertinence using...

<title>Abstract</title> Despite their vulnerable status, manatee conservation efforts are hindered because of limited scientific data due to the collection challenges. Bio-acoustic studies utilizing advanced computational analy- sis long-term recordings offer a promising approach for determining manatee’s presence and abundance. The following manuscript describes an artificial intelligence pipeline that effectively implements automatic identification counting. first step is fine-tuning pre- trained...

Introducción: En los ambientes marinos del Pacífico de Costa Rica, la actividad pesquera por flota cerquera internacional es importante debido a su amplio alcance y fuerte impacto. Objetivo: Evaluar distribución espacial captura atún aleta amarilla especies no objetivo esa flota, posibles correlaciones con variables ambientales pesqueras. Métodos: Aplicamos estadísticas geoespaciales modelos regresión múltiple en datos Comisión Interamericana Atún Tropical, 2002 al 2011. Utilizamos una...