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Copepod community from Arctic to Antarctic 桡足动物群落从北极到南极
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-12-30 DOI: 10.32582/aa.63.2.5
F. Kršinić, O. Vidjak
The use of citizen science and opportunity sampling during commercial or tourist voyages can provide valuable insights into the structuring of the marine plankton community in broad biogeographic areas. With the goal of studying the distribution and abundance of smaller zooplankton using citizen science approach, plankton samples were collected at 33 stations spanning from the Arctic to Antarctic during the cruise of the S/V “Croatian Tern” (1994-1997), using vertical tows with a 53µm mesh size Nansen net in the upper epipelagic layer. In this study, we summarize the observed distribution patterns of planktonic copepods by ontogenetic stages (nauplii, copepodites, adults) and by postnaupliar assemblages (calanoids, oithonids, oncaeids, harpacticoids, corycaeids), reporting also on the numerical ratio of nauplii to postnaupliar copepods, as an important indicator of the stability of copepod reproduction. The highest abundances of total copepods were found in the northeastern and southeastern Pacific, while the lowest values were found in the Mediterranean Sea and Southern Ocean. Overall, the copepod community was dominated by naupliar stages, while most postnaupliar assemblages (calanoids, oithonids, and oncaeids) were dominated by copepodites. Spatially, nauplii and postnaupliar oithonids showed similar latitudinal patterns, with both assemblages dominating in high latitudes of temperate zones on both sides of the equator, while contributions of calanoids, oncaeids, and corycaeids increased at lower latitudes. The ratio of nauplii to postnauplii varied from 1.1 to 6.4, and only at five stations was it slightly < 1. Latitudinally, the median values of this ratio varied from 1.1 in the marginal Arctic to 3.1 in the South Pacific, with no statistically significant differences among areas. The sudden change in nauplii/ postnauplii ratio could signal disturbances in the copepod community, provided that the average values are determined for all marine areas under different productivity conditions.
在商业或旅游航行中使用公民科学和机会采样可以为广泛的生物地理区域海洋浮游生物群落的结构提供有价值的见解。为了利用公民科学方法研究小型浮游动物的分布和丰度,在S/V“克罗地亚燕鸥”号巡航期间(1994-1997年),在从北极到南极的33个站点收集了浮游生物样本,在上层上层上层使用了53µm网眼大小的Nansen网的垂直拖。在这项研究中,我们总结了浮游桡足类个体发生阶段(无节幼体、桡足类、成体)和无节幼体后组合(甲壳纲、卵足纲、盘尾纲、叉足纲、Corycaids)的分布模式,并报告了无节幼体与无节幼体的数量比,这是桡足类繁殖稳定性的重要指标。桡足类总丰度最高的是太平洋东北部和东南部,而最低的是地中海和南大洋。总的来说,桡足类群落以无节幼体阶段为主,而大多数无节幼体后组合(calanoids、oithonids和oncaeids)以桡足类为主。从空间上看,无节幼体和后无节幼体表现出相似的纬度模式,这两种组合在赤道两侧温带的高纬度地区占主导地位,而类珊瑚、盘尾类珊瑚和科珊瑚的贡献在低纬度地区增加。无节幼体与后无节幼体的比例从1.1到6.4不等,只有五个站的比例略小于1。从纬度上看,这一比率的中值从北极边缘的1.1到南太平洋的3.1不等,各地区之间没有统计学上的显著差异。无节幼体/无节幼体后比值的突然变化可能预示着桡足类群落的紊乱,前提是在不同生产力条件下确定所有海洋区域的平均值。
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引用次数: 0
Kvaliteta mora za kupanje na plažama u Kaštelima (Hrvatska) u razdoblju primjene Direktive o upravljanju kvalitetom vode za kupanje 2006/7/EC 卡斯特拉(克罗地亚)沿海游泳池在实施2006/7/EC水质管理指令期间的水质
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-12-30 DOI: 10.32582/aa.63.2.2
Slaven Jozić, Tatjana Puljak, Damir Ivanković, Nikolina Baugartner, Marin Ordulj, Ana Vrdoljak Tomaš, Mirna Matić
We analyzed and discussed bathing water quality at 11 official bathing sites in Kaštela (Croatia) in the period 2009-2022. The results showed spatial and temporal variations in quality. The worst bathing water quality was in the eastern part of the area, at beaches Torac, Kamp and Gojača. Levels of indicator microorganisms at identified sources of fecal pollution near these beaches indicate a significant load of fecal material to these areas. The observed decrease in annual fecal indicator bacteria exceedances, while not statistically significant, indicates a trend toward improvement in water quality. The number of sites with worse annual and final assessment showed a decreasing trend only since 2017 and 2020, respectively, which is not a ‘sufficient’ time period to draw a clear conclusion about the trend. The improvements are probably the result of intensive work in recent years to improve the sewage system in the area. In the annual and final assessment, bathing sites from Kaštela with ‘poor’ water quality accounted on average for more than 27% of all waters with ‘poor’ quality in Croatia. This implies that additional efforts are needed to eliminate the sources of fecal pollution in the area.
我们分析并讨论了2009年至2022年期间Kaštela(克罗地亚)11个官方浴场的洗澡水质。结果显示了质量的空间和时间变化。洗澡水质最差的是该地区东部的托拉克、坎普和戈贾查海滩。这些海滩附近已确定的粪便污染源的指示微生物水平表明,这些地区有大量粪便物质。观察到的年度粪便指标细菌超标量的减少,虽然在统计上不显著,但表明水质有改善的趋势。仅自2017年和2020年以来,年度和最终评估较差的网站数量才分别呈下降趋势,这不是一个“足够”的时间段来对这一趋势得出明确结论。这些改善可能是近年来为改善该地区的污水系统而进行的密集工作的结果。在年度和最终评估中,Kaštela水质“差”的浴场平均占克罗地亚所有“差”水域的27%以上。这意味着需要进一步努力消除该地区的粪便污染源。
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引用次数: 0
First record of neonatal sandbar shark Carcharhinus plumbeus (Nardo, 1827) (Carcharhiniformes: Carcharhinidae) from the Southern Adriatic Sea 南亚得里亚海幼鲨Carcharhinus plumbeus (Nardo, 1827) (carcharhinae: Carcharhinidae)的首次记录
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-12-30 DOI: 10.32582/aa.63.2.9
A. Gajić, Simo Ribaj, Emina Karalić
This paper is describing a new finding of Carcharhinus plumbeus (Nardo, 1927) caught at the insular shelves off the Sazan Island at the depth of 120 m, which is the southernmost record for a sandbar shark in the Adriatic Sea. The individual had a partially healed umbilical scar and is considered as neonatal. Examined shark appeared in good body condition with showed no macroscopic signs of diseases or macroscopic parasites. Detailed morphometric measurements are compared with four neonate and juvenile specimens from the north and central Adriatic Sea and are provided in the paper. Despite it is not possible to establish a certain conclusion on whether our specimen was born in the studied area or elsewhere, presented finding provides the very first evidence that neonatal sandbar sharks can be found along the coast of Albania. Knowing the exact locations and movements of both neonates and juveniles is of high importance for the effective long-term in-situ conservation.
本文描述了亚得里亚海沙洲鲨最南端的记录——在萨赞岛岛外120米深处的岛架上捕获的新发现的Carcharhinus plumbeus (Nardo, 1927)。个体有一个部分愈合的脐部疤痕,被认为是新生儿。被检查的鲨鱼身体状况良好,没有明显的疾病迹象,也没有明显的寄生虫。本文对亚得里亚海北部和中部的4个新生和幼鱼标本进行了详细的形态测量比较。尽管不可能确定我们的标本是出生在研究区域还是其他地方,但这一发现提供了第一个证据,表明新生儿沙洲鲨可以在阿尔巴尼亚海岸找到。了解幼鱼和幼鱼的确切位置和运动对有效的长期原位保护具有重要意义。
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引用次数: 0
Prvi nalaz mača srebrenjaka Trachipterus trachypterus Gmelin 1789(Lampriformes) u Sicillijanskom tjesnacu 1789年在西西里蛇身上首次发现银剑Trachipterus trachypterus Gmelin(Lampriformes)
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-12-30 DOI: 10.32582/aa.63.2.8
Michele Luca Geraci, Danilo Scannella, Sergio Vitale, Vita Gancitano, Salvatore Gancitano, Giacomo Sardo, Fabio Falsone
On July 7th 2018 a specimen of Mediterranean dealfish (Trachipterus trachypterus Gmelin 1789) was caught in the shallow waters of Selinunte (in the South-Western coast of Sicily) by trammel net. It was a female in maturing phase and the gonadosomatic index resulted as 1.1%. The specimen measured 1638 mm in total length and weighed about 2480 g. The estimated age through growth increments in vertebra was of 41 years. The finding of the Mediterranean dealfish in the Strait of Sicily might be linked to its spawning period during which it approaches the shallow waters. The present specimen represents the first record in the Strait of Sicily.
2018年7月7日,一只地中海交易鱼(Trachipterus trachypterus Gmelin 1789)的标本在西西里岛西南海岸的Selinunte浅水区被trammel网捕获。这是一只处于成熟期的雌性,性腺指数为1.1%。标本全长1638毫米,体重约2480克。通过脊椎的生长增量估计年龄为41岁。在西西里海峡发现地中海交易鱼可能与它接近浅水的产卵期有关。目前的标本代表了西西里海峡的第一个记录。
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引用次数: 1
Settlement patterns of molluscs, with particular reference on Great Mediterranean scallop (Pecten jacobaeus, Linnaeus) and biofouling organisms on different type of collectors and locations in Boka Kotorska Bay 软体动物的定居模式,特别是大地中海扇贝(Pecten jacobaeus,Linnaeus)和生物淤积生物在博卡-科托尔斯卡湾不同类型的收集器和地点的定居模式
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.1.
Ines Peraš, M. Mandić, Slađana Nikolić
The settlement of molluscs’ larvae of and other biofouling organisms on experimental collectors was studied, with particular reference Great Mediterranean scallop, Pecten jacobaeus. Three types of experimental collector made from vegetable sacks, modelled based on the collectors used in Japan, were placed in four existing fish and shellfish farms located in the Boka Kotorska Bay. The experimental collectors were placed in the periods June–October and June–December 2017 and the period August 2017–February 2018 and monitored after immersion of four to six months, respectively. In total, 18 species of molluscs and also 28 species of biofouling organisms were determined. The most abundant ones found on the collectors were the following shellfish species (68 %) Talohlamys multistriata, Mytilus galloprovincialis, Modiolarca sp., Anomia ephippium and Limaria hians. The most abundant group of biofouling organisms were crustaceans (18 percent) with a species of porcelain crab, Pisidia longicornis, and tunicates (5 percent) with the species Phallusia mammillataand Ascidia mentula. The main target species, Great Mediterranean scallop, was most abundant on collector Type II,with 28 individuals. From three types of experimental collectors used in the process of collecting larvae of shellfish and biofouling species, collector type-I and type-II proved to be a more suitable basis for receiving larvae of shellfish due to the unimpeded flow of sea water that allows their successful growth and development. Species Talochlamys multistriata, were found in great abundance and it could be good candidate to diversify the aquaculture production, thus potentially offering farmers an additional source of income.
研究了软体动物幼虫和其他生物污垢生物在实验收集器上的沉降,特别是参考了大地中海扇贝Pecten jacobaeus。三种由蔬菜袋制成的实验收集器,以日本使用的收集器为模型,被放置在位于博卡科托尔斯卡湾的四个现有鱼类和贝类养殖场。实验收集器分别放置在2017年6月至10月和6月至12月以及2017年8月至2018年2月,并在浸泡4至6个月后进行监测。总共确定了18种软体动物和28种生物污损生物。在采集者身上发现的数量最多的是以下贝类物种(68%)Talohlamys multistata、Mytilus galloprovincialis、Modiolarica sp.、Anomia ephippium和Limaria hians。最丰富的生物污损生物群是甲壳类动物(18%),其中有瓷蟹、长角皮蟹,而被膜动物(5%),其中包括乳细胞和卵母螺。主要目标物种,大地中海扇贝,在II型采集者中数量最多,有28个个体。从收集贝类幼虫和生物污损物种过程中使用的三种类型的实验收集器来看,I型和II型收集器被证明是更适合接收贝类幼虫的基础,因为海水的流动不受阻碍,可以使其成功生长和发育。Talochlamys multi-stariata物种数量丰富,它可能是水产养殖生产多样化的好候选者,从而有可能为农民提供额外的收入来源。
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引用次数: 1
First record of the Armoured searobin Peristedion cataphractum (Linnaeus, 1758) (Scorpaenoidei: Peristediidae) from the northwestern coast of Algeria 阿尔及利亚西北海岸甲壳海参(林奈,1758年)(鲉目:海参科)的首次记录
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.13
A. Kheloufi
African Armoured searobin, Peristedion cataphractum, (Peristediidae), is recorded for the first time from the Algerian Northwest coast of the Mediterranean Sea, Oran (35°50’N, 0°31’W) at 30-40 depth. Only two specimens were captured. Fish individuals were identified and morphometric measurements were recorded.
首次记录到在地中海的阿尔及利亚西北海岸奥兰(35°50'N,0°31'W)30-40深处发现的非洲铠甲毒蜥(Peristediidae)。只捕获了两个标本。对鱼类个体进行了鉴定,并记录了形态计量学测量结果。
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引用次数: 0
Slender snipe eel Nemichthys scolopaceus Richardson, 1848 (Pisces: Nemichthydae), a new member of the Adriatic Sea ichthyofauna 细长鹬鳝,1848年(双鱼座:鹬鳝科),亚得里亚海鱼类学的新成员
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.8
D. Bojanić Varezić, P. Tutman, B. Dragičević, Sanja Matić-Skoko, J. Dulčić
The paper reports the first record of Nemichthys scolopaceus leptocephalus in the Adriatic Sea, including a detailed description of the specimen with morphometric measurements and meristic counts. A single leptocephalus specimen was caught on 18th September 2016 in south Adriatic with a small mid-water trawl at a depth of approx. 120 meters. Further research is needed to reveal more information about the distribution and potential spawning and nursery areas of slender snipe eel as well as the mechanism of retention and dispersion of their larvae in the Adriatic.
本文报道了亚得里亚海钩头线虫的首次记录,包括对该标本的形态测量和分生组织计数的详细描述。2016年9月18日,在亚得里亚海南部,一艘小型中层拖网在约120米的深度捕获了一个钩端头类标本。需要进一步的研究来揭示更多关于细长鹬鳗的分布、潜在产卵和繁殖区的信息,以及它们的幼虫在亚得里亚海的滞留和扩散机制。
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引用次数: 0
On the presence of Synagrops japonicus (Acropomatiformes: Synagropidae) in the Mediterranean Sea 关于地中海中日本Synagrops japonicus(Acropomatiformes:Synagropidae)的存在
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.9
F. Serena, C. Mancusi, L. Marsili, A. Voliani, Alessandra Neri
A specimen of Synagrops japonicus was collected in the north-western Mediterranean during an exploratory cruise using bottom trawl nets, aimed at the evaluation of possible consequences of lost at sea drums containing toxic materials. The discovery of this specimen follows the first record that occurred in the same area 28 years previously, fished by a bottom trawler in the waters of Portofino (Genoa, Italy) in 1987. The morphometric and meristic details of the new specimen are provided. The presence of this individual in the north-western portion of the Mediterranean is likely related toan accidental transport of larvae via ballast water by ships coming from outside the Mediterranean basin.
在地中海西北部使用底拖网进行的一次探索性巡航中,采集了一个日本Synagrops japonicus的标本,目的是评估在含有有毒物质的海鼓中丢失的可能后果。该标本的发现遵循了28年前在同一地区出现的第一个记录,1987年底拖网渔船在波托菲诺(意大利热那亚)水域捕捞。提供了新标本的形态计量学和分生组织学细节。这种个体在地中海西北部的存在可能与来自地中海盆地外的船只通过压载水意外运输幼虫有关。
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引用次数: 0
First record of the Brassy Chub Kyphosus vaigiensis (Pisces: Kyphosidae) from the Mediterranean coast of Libya 在利比亚地中海沿岸发现的第一个铜质鱼(双鱼座:鱼科)
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.12
Amani Fitori, Ali El-Fituri, D. Golani
In the present paper we report the first record of the Brassy Chub Kyphosus vaigiensis (Quoy and Giamard, 1825) from the Mediterranean coast of Libya. It is assumed that this species arrived into the Mediterranean from the Red Sea via the Suez Canal. We stress the need of taxonomic study on the genus Kyphosus in the Mediterranean.
在本文中,我们报道了在利比亚地中海沿岸发现的第一个Brassy Chub Kyphosus vaigiensis (Quoy and Giamard, 1825)。据推测,这一物种是从红海经苏伊士运河进入地中海的。我们强调了对地中海棘足虫属进行分类学研究的必要性。
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引用次数: 0
First substantiated record of slender goby Gobius geniporus (Osteichthyes: Gobiidae) from the Syrian coast (Eastern Mediterranean Sea) 来自叙利亚海岸(东地中海)的第一个被证实的细虾虎鱼的记录
IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Pub Date : 2022-08-08 DOI: 10.32582/aa.63.1.6.
A. Saad, Nour Basha, Nader Hamwi, Abdullah Tufahha, C. Capapé
A specimen of slender goby Gobius geniporus Valenciennes, 1837 was caught on 21 February 2021, from the Syrian coast at a depth of 13 m. This specimen measured 87 mm in total length and weighed 6.89 g. The present finding represents the first record of G. geniporus from the Syrian coast and confirms the species occurrence in the Levant Basin, eastern region from the Mediterranean Sea.
2021年2月21日,在13米深处的叙利亚海岸捕获了一只1837年的细虾虎鱼Gobius geniporus Valenciennes的标本。该标本全长87毫米,重6.89克。本发现代表了叙利亚海岸对g.geniporus的首次记录,并证实了该物种出现在地中海东部地区的黎凡特盆地。
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引用次数: 0
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Acta Adriatica
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