5 research outputs found
The Caribbean-North America-Cocos Triple Junction and the dynamics of the Polochic-Motagua fault systems: Pull-up and zipper models
The Polochic-Motagua fault systems (PMFS) are part of the sinistral
transform boundary between the North American and Caribbean plates. To
the west, these systems interact with the subduction zone of the Cocos
plate, forming a subduction-subduction-transform triple junction. The
North American plate moves westward relative to the Caribbean plate.
This movement does not affect the geometry of the subducted Cocos plate,
which implies that deformation is accommodated entirely in the two
overriding plates. Structural data, fault kinematic analysis, and
geomorphic observations provide new elements that help to understand the
late Cenozoic evolution of this triple junction. In the Miocene,
extension and shortening occurred south and north of the Motagua fault,
respectively. This strain regime migrated northward to the Polochic
fault after the late Miocene. This shift is interpreted as a
``pull-up'' of North American blocks into the Caribbean realm. To the
west, the PMFS interact with a trench-parallel fault zone that links the
Tonala fault to the Jalpatagua fault. These faults bound a fore-arc
sliver that is shared by the two overriding plates. We propose that the
dextral Jalpatagua fault merges with the sinistral PMFS, leaving behind
a suturing structure, the Tonala fault. This tectonic ``zipper''
allows the migration of the triple junction. As a result, the fore-arc
sliver comes into contact with the North American plate and helps to
maintain a linear subduction zone along the trailing edge of the
Caribbean plate. All these processes currently make the triple junction
increasingly diffuse as it propagates eastward and inland within both
overriding plates
Understanding the complexity of catch and release in recreational fishing: an integrative synthesis of global knowledge from historical, ethical social and biological perspectives
Most research on catch-and-release (C&R) in recreational fishing has been conducted from a disciplinary angle focusing on the biological sciences and the study of hooking mortality after release. This hampers understanding of the complex and multifaceted nature of C&R. In the present synopsis, we develop an integrative perspective on C&R by drawing on historical, philosophical, socio-psychological, biological, and managerial insights and perspectives. Such a perspective is helpful for a variety of reasons, such as 1) improving the science supporting successful fisheries management and conservation, 2) facilitating dialogue between managers, anglers, and other stakeholders, 3) minimizing conflict potentials, and 4) paving the path toward sustainable recreational fisheries management. The present work highlights the array of cultural, institutional, psychological, and biological factors and dimensions involved in C&R. Progress toward successful treatment of C&R might be enhanced by acknowledging the complexity inherent in C&R recreational fishing