Results 21 to 30 of about 1,449 (148)

Nearshore Larval Retention and Cross-Shelf Migration of Benthic Crustaceans at an Upwelling Center

open access: yesFrontiers in Marine Science, 2018
Planktonic larvae are thought to be very susceptible to offshore advection in upwelling regimes, increasing dispersal and decreasing recruitment. However, larvae of 42 species of nearshore benthic crustaceans primarily developed on the inner shelf at ...
Steven G. Morgan   +5 more
doaj   +1 more source

Survivors of Climate Driven Abalone Mass Mortality Exhibit Declines in Health and Reproduction Following Kelp Forest Collapse

open access: yesFrontiers in Marine Science, 2021
Marine ecosystems are vulnerable to climate driven events such as marine heatwaves yet we have a poor understanding of whether they will collapse or recover. Kelp forests are known to be susceptible, and there has been a rise in sea urchin barrens around
Laura Rogers-Bennett   +3 more
doaj   +1 more source

Signaling Pathways That Regulate the Crustacean Molting Gland

open access: yesFrontiers in Endocrinology, 2021
A pair of Y-organs (YOs) are the molting glands of decapod crustaceans. They synthesize and secrete steroid molting hormones (ecdysteroids) and their activity is controlled by external and internal signals.
Donald L. Mykles, Donald L. Mykles
doaj   +1 more source

Determination of gonad reproductive state using non-lethal ultrasonography in endangered black (Haliotis cracherodii) and white abalone (H. sorenseni)

open access: yesFrontiers in Marine Science, 2023
IntroductionBlack (H. cracherodii) and white abalone (H. sorenseni) are federally listed as endangered species in the United States. Conservation efforts include captive breeding programs; however, determination of the reproductive state of individual ...
Sara E. Boles   +12 more
doaj   +1 more source

Environmental stress mediates trophic cascade strength and resistance to invasion

open access: yesEcosphere, 2016
Although much attention has focused on the drivers of trophic cascade strength among systems (e.g., habitat type, body size, predator, and prey thermy) comparatively little is known of how trophic cascades change within systems, especially with respect ...
Brian S. Cheng, Edwin D. Grosholz
doaj   +1 more source

Marine Debris on Small Islands: Insights from an Educational Outreach Program in the Spermonde Archipelago, Indonesia

open access: yesFrontiers in Marine Science, 2018
Marine debris is a global environmental problem especially apparent on small islands throughout the world. We implemented an educational outreach program to engage primary and secondary students in the scientific process using the tangible issue of ...
Christine Sur   +22 more
doaj   +1 more source

Responses of Freshwater Calcifiers to Carbon-Dioxide-Induced Acidification

open access: yesJournal of Marine Science and Engineering, 2022
Increased anthropogenic carbon dioxide (CO2) in the atmosphere can enter surface waters and depress pH. In marine systems, this phenomenon, termed ocean acidification (OA), can modify a variety of physiological, ecological, and chemical processes.
Aaron T. Ninokawa, Justin Ries
doaj   +1 more source

La contabilidad del sherry. La bodega de la Compañía de Jesús en Jerez de la Frontera (1668-1766)

open access: yesDe Computis, 2020
El propósito de este artículo es doble: en primer lugar, analizar los procedimientos contables que utilizaba el Colegio de la Compañía de Jesús de Cádiz para controlar los fondos que se empleaban en el cultivo de la viña que tenía en Jerez y, sobre todo,
José Ignacio Martínez Ruiz
doaj   +1 more source

Enological Suitability of Indigenous Yeast Strains for ‘Verdejo’ Wine Production

open access: yesFoods, 2023
The use of indigenous yeasts for the production of wines is a tool to defend the typicity of a particular region. The selection of appropriate indigenous yeasts ensures the maintenance of oenological characteristics by simulating spontaneous alcoholic ...
Jennifer Vázquez   +6 more
doaj   +1 more source

Bodegas, lagares y almazaras en el territorio de Kelin (siglos V-III a. C.): el caso de la Rambla de la Alcantarilla (Requena, Valencia)

open access: yesArchivo Español de Arqueología, 2016
Las evidencias arqueológicas datan la expansión del cultivo de la vid en el territorio de Kelin durante los siglos V-III a. C., aunque los primeros indicios se fechan ya en el siglo VII a. C.
David Quixal Santos   +4 more
doaj   +1 more source

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