The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status

In Morocco, many uncertainties surround the current diversity and distribution of the bivalve family Sphaeriidae. Such information, including taxonomy and conservation status, are vital for further studies to improve the knowledge of this family in Morocco and represents the first step towards the d...

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Autores principales:	Hanane Rassam, Mohamed Ghamizi, Hassan Benaissa, Catharina Clewing, Christian Albrecht
Formato:	article
Lenguaje:	EN
Publicado:	Pensoft Publishers 2021
Materias:	<i>Pisidium</i> <i>Musculium</i> Moroccan basins Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/8a6b288ec4c244c89efbea2d5a8662d9
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spelling	oai:doaj.org-article:8a6b288ec4c244c89efbea2d5a8662d92021-12-04T04:30:15ZThe fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status10.3897/BDJ.9.e733461314-2828https://doaj.org/article/8a6b288ec4c244c89efbea2d5a8662d92021-12-01T00:00:00Zhttps://bdj.pensoft.net/article/73346/download/pdf/https://bdj.pensoft.net/article/73346/download/xml/https://bdj.pensoft.net/article/73346/https://doaj.org/toc/1314-2828In Morocco, many uncertainties surround the current diversity and distribution of the bivalve family Sphaeriidae. Such information, including taxonomy and conservation status, are vital for further studies to improve the knowledge of this family in Morocco and represents the first step towards the development of a national conservation plan for all freshwater bivalves.Between 2016 and 2019, several investigations were carried out to assess the diversity and distribution of Sphaeriidae in the different basins of Morocco, covering different types of habitat (lakes, springs, rivers and small ponds). The identification of specimens and their morpho-ecological features was based on morphological and morphometric analyses. The data on the general distribution of the collected species allowed the evaluation of their conservation status as well.The shell morphology and morphometric analyses revealed the existence of five species belonging to the genus Pisidium [P. casertanum (Poli, 1791), P. (cf.) personatum Malm, 1855, P. subtruncatum Malm, 1855, P. amnicum (O. F. Müller, 1774) and Pisidium sp.] and one species to the genus of Musculium [M. lacustre (O. F. Müller, 1774)]. Sphaeriidae were found in all Moroccan basins, except Bouregreg and Sakia El Hamra-Oued Eddahab Basins. The results showed that Sebou Basin was the species richest with the occurrence of the five species, while Loukkos and Sous-Massa Basins had the lowest-species richness with one species only. The conservation status of sphaeriids in Morocco was evaluated for the first time and resulted in P. (cf.) personatum and P. subtruncatum being proposed as Least Concern and Vulnerable, respectively, while the status of Regionally Extinct is suggested for both species P. amnicum and M. lacustre.First evaluation of the diversity and species richness of the family Sphaeriidae in Morocco with an assignment of an updated conservation status of the recorded species.Hanane RassamMohamed GhamiziHassan BenaissaCatharina ClewingChristian AlbrechtPensoft Publishersarticle<i>Pisidium</i><i>Musculium</i>Moroccan basinsBiology (General)QH301-705.5ENBiodiversity Data Journal, Vol 9, Iss , Pp 1-23 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Pisidium</i> <i>Musculium</i> Moroccan basins Biology (General) QH301-705.5
spellingShingle	<i>Pisidium</i> <i>Musculium</i> Moroccan basins Biology (General) QH301-705.5 Hanane Rassam Mohamed Ghamizi Hassan Benaissa Catharina Clewing Christian Albrecht The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
description	In Morocco, many uncertainties surround the current diversity and distribution of the bivalve family Sphaeriidae. Such information, including taxonomy and conservation status, are vital for further studies to improve the knowledge of this family in Morocco and represents the first step towards the development of a national conservation plan for all freshwater bivalves.Between 2016 and 2019, several investigations were carried out to assess the diversity and distribution of Sphaeriidae in the different basins of Morocco, covering different types of habitat (lakes, springs, rivers and small ponds). The identification of specimens and their morpho-ecological features was based on morphological and morphometric analyses. The data on the general distribution of the collected species allowed the evaluation of their conservation status as well.The shell morphology and morphometric analyses revealed the existence of five species belonging to the genus Pisidium [P. casertanum (Poli, 1791), P. (cf.) personatum Malm, 1855, P. subtruncatum Malm, 1855, P. amnicum (O. F. Müller, 1774) and Pisidium sp.] and one species to the genus of Musculium [M. lacustre (O. F. Müller, 1774)]. Sphaeriidae were found in all Moroccan basins, except Bouregreg and Sakia El Hamra-Oued Eddahab Basins. The results showed that Sebou Basin was the species richest with the occurrence of the five species, while Loukkos and Sous-Massa Basins had the lowest-species richness with one species only. The conservation status of sphaeriids in Morocco was evaluated for the first time and resulted in P. (cf.) personatum and P. subtruncatum being proposed as Least Concern and Vulnerable, respectively, while the status of Regionally Extinct is suggested for both species P. amnicum and M. lacustre.First evaluation of the diversity and species richness of the family Sphaeriidae in Morocco with an assignment of an updated conservation status of the recorded species.
format	article
author	Hanane Rassam Mohamed Ghamizi Hassan Benaissa Catharina Clewing Christian Albrecht
author_facet	Hanane Rassam Mohamed Ghamizi Hassan Benaissa Catharina Clewing Christian Albrecht
author_sort	Hanane Rassam
title	The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
title_short	The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
title_full	The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
title_fullStr	The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
title_full_unstemmed	The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status
title_sort	fingernail clams (bivalvia: veneroida: sphaeriidae) of morocco: diversity, distribution and conservation status
publisher	Pensoft Publishers
publishDate	2021
url	https://doaj.org/article/8a6b288ec4c244c89efbea2d5a8662d9
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The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status

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