نتایج جستجو برای: the less bycatch and bycatch

تعداد نتایج: 21152037  

The study was performed on the shape and morphology of otolith Grammoplites suppositus (Troschel, 1840) in Bushehr and Hormozgan waters of the Persian Gulf. 157 specimens (86 from Hormozgan and 72 from Bushehr) were collected as trawl bycatch. All the specimens are killed and fixed in 70% alcohol. After obtaining otolith, its shape indices include: form factor, roundness, circularity, rectangul...

ژورنال: بوم شناسی آبزیان 2023

 In this study, some reproductive characteristics of the yellow gooseberry, Upeneus doriae were investigated in Bandar Abbas coastal waters for a period of 8 months from July 2018 to February 2019. 300 fish specimens were selected from the bycatch fish of shrimp trawl. The samples were then transferred to the laboratory and the biometric data and some aspects of the biology of the fish were r...

Journal: :Aquatic Conservation-marine and Freshwater Ecosystems 2022

Incidental catch of marine species can create ecological and economic issues, particularly for endangered species. The smalltooth sawfish (Pristis pectinata) is endemic to the Atlantic Ocean listed as Endangered in US Species Act. One its major threats bycatch mortality commercial fisheries. Despite protection afforded by Act, are still captured Acoustic satellite tag data collected on 59 betwe...

Journal: :International journal of marine engineering innovation and research 2021

The purpose of this paper is to introduce a new alternative method seafood management by using blockchain technology with particular emphasis on bycatch and overfishing. has been investigated through an innovative connection between the various consumers in world, what we call can be considered as food for humans, animals, or plants. In addition, numerous parties that are directly indirectly co...

2003
Ratana Chuenpagdee Lance E Morgan Sara M Maxwell Elliott A Norse Daniel Pauly

the deployment of excessive levels of fishing effort – is one of the most pressing problems for fisheries around the world (Pauly et al. 2002; Myers and Worm 2003). While attempts to address this problem continue at a single-species level, an ecosystem-based approach to fisheries management is necessary to understand the overall impacts of fishing (Dayton et al. 1995; Pitcher and Pauly 1998). I...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1391

the present study aimed at exploring cognitions of iranian english teachers within the context of english for academic purposes (eap). to this end, the cognitions of two groups of eap teachers with respect to their pedagogical content knowledge (pck) and their sense of professional identity (pi) were probed. two language teachers and two content instructors who had at least five years of eap te...

Journal: :Endangered Species Research 2023

Incidental bycatch of sea turtles from recreational fisheries is generally undocumented globally. At Gulf Mexico fishing piers in the USA, a source injury and potential mortality turtles. Recreational turtle has grown substantially over last 6 yr, especially at Navarre Beach Fishing Pier (NW Florida); reasons for increase impacts this on recovery northern populations are largely unknown. In par...

Journal: :IOP conference series 2021

Fishing activities conducted on seagrass bed to capture fishes and other associated fauna are very massive especially in the Pacific regions undeveloped countries. This is due high abundance of economically important species seagrasses, additionally, area most accessible fishing ground throughout year with low capital. Seagrass meadows importance habitat support an diverse fish assemblages that...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید