Results 81 to 90 of about 1,253,881 (299)

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

Complete mitochondrial genome of the Ijima's Sea Snake (Emydocephalus ijimae) (Squamata, Elapidae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
In this study, we provide the first report of the complete mitochondrial genome of Emydocephalus ijimae. The mitogenome length is 18,259 bp and includes 13 protein-coding genes, two rRNA genes, 22 tRNA genes, and three non-coding regions.
Chang-Ho Yi   +7 more
doaj   +1 more source

The Voice of Science on Marine Biodiversity Negotiations: A Systematic Literature Review

open access: yesFrontiers in Marine Science, 2020
Over one hundred governments are currently negotiating a new legally binding instrument for the conservation and sustainable use of marine biological diversity in areas beyond national jurisdiction (BBNJ).
Ina Tessnow-von Wysocki, A. Vadrot
semanticscholar   +1 more source

Male reproductive system in stenopodidean shrimps: Unveiling basal reproductive traits in shrimp‐like Pleocyemata (Stenopodidae and Spongicolidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Stenopodidea represents one of the basal lineages within Pleocyemata, yet the male reproductive system (MRS) of this group remains poorly understood, with limited information available regarding its morphology and function. This study provides the first detailed description of the MRS in four stenopodidean shrimp species from two families ...
Caio Santos Nogueira   +2 more
wiley   +1 more source

Status of Marine Biodiversity in the Anthropocene

open access: yesOceans, 2019
Marine biodiversity plays an important role in providing the ecosystem functions and services which humans derive from the oceans. Understanding how this provisioning will change in the Anthropocene requires knowledge of marine biodiversity patterns ...
Thomas Luypaert   +3 more
semanticscholar   +1 more source

Integrating One Health to Mitigate the Emergence and Spread of Antimicrobial Resistance in Livestock and Aquaculture

open access: yesAnimal Research and One Health, EarlyView.
Antimicrobial resistance (AMR) is an escalating global threat driven by antimicrobial use in aquaculture and livestock. Resistant pathogens and genes can spread across humans, animals, and the environment through interconnected ecosystems. Using a One Health approach, this review emphasizes antimicrobial stewardship, regulatory strengthening, enhanced ...
Mir Mohammad Ali   +10 more
wiley   +1 more source

The complete mitochondrial genome of Trichoderma simmonsii (Hypocreales: Hypocreaceae) from the Southern Coast of Korea

open access: yesMitochondrial DNA. Part B. Resources, 2022
Fungal species in the genus Trichoderma are widely used for industrial enzyme production and as biocontrol agents. In this study, we report the complete mitochondrial genome of a marine-derived Trichoderma simmonsii strain GH-Sj1, which belongs to the ...
Dawoon Chung   +2 more
doaj   +1 more source

Threats to marine biodiversity in European protected areas.

open access: yesScience of the Total Environment, 2019
Marine protected areas (MPAs) represent the main tool for halting the loss of marine biodiversity. However, there is increasing evidence concerning their limited capacity to reduce or eliminate some threats even within their own boundaries.
A. D. Mazaris   +13 more
semanticscholar   +1 more source

Operationalizing BioSSbD: A safe‐and‐sustainable‐by‐design framework for biorefineries

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biorefineries are central to the transition toward a circular bioeconomy; however, their increasing scale and technological heterogeneity, and the integration of biological, chemical, and thermochemical processes introduce complex challenges related to safety, sustainability, and operational reliability. Existing Safe‐and‐Sustainable‐by‐Design
Fernando Ramonet
wiley   +1 more source

Complete sequence analysis of the mitochondrial genome of Auriculastra duplicata (Mollusca, Gastropoda, Ellobiidae)

open access: yesMitochondrial DNA. Part B. Resources, 2017
The mitochondrial genome of the gastropod Auriculastra duplicata was completely sequenced. It was 13,920 bp in length and comprised 37 genes; two rrn genes and 22 trn genes.
Chang Ho Yi   +10 more
doaj   +1 more source

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