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A Comparative Study and Quantitative Characterization of Hydrachna globosa, Hydryphantes dispar and Limnesia fulgida (Acari, Hydrachnidia) Species through Spectrophotometric Techniques 水螅、水螅和Limnesia fulgida (Acari, Hydrachnidia)种的分光光度比较研究及定量表征
Pub Date : 2022-03-10 DOI: 10.31038/afs.2022423
F. Aşçı, Nazif Hacımurat
Water mites composed of more than 6000 species, and are the most abundant, diverse inland water invertebrates which play a vital role in fresh water ecosystem [1]. The life cycle of water mites is very complex and their eggs can be found attached with many aquatic plants. Besides, throughout their larval phase, they co-habit with different insects, and live as the ectoparasites on the bodies and wings of these insects. Nymphs and adults have four pairs of legs while larvae have three. Adults also comprise oval or oblong or elliptical bodies with abdomen and a flattened dorsum [2]. However, depending on the type of habitats and mobility, water mites posses a wide range of morphological variations, such as variable shapes (from rounded to elongate), diverse external morphology with different colours etc. Different species of Hydrachnidia can be used as bioindicators to determine the ecological quality of freshwater habitation [3]. Therefore, genetical, biochemical and ecological analysis on water mites is very essential, since they signify the most essential level of life in fresh water ecosystem. On the other hand, most classical Research Article
水螨有6000多种,是最丰富、最多样的内河无脊椎动物,在淡水生态系统中起着至关重要的作用[1]。水螨的生命周期非常复杂,它们的卵附着在许多水生植物上。此外,在整个幼虫期,它们与不同的昆虫共生,并作为这些昆虫的身体和翅膀上的外寄生虫生活。若虫和成虫有四对腿,而幼虫有三对腿。成虫也包括椭圆形或长圆形或椭圆形的身体,腹部和扁平的背[2]。然而,根据不同的栖息地类型和流动性,水螨具有广泛的形态变化,如不同的形状(从圆形到细长),不同的外部形态和不同的颜色等。不同种类的水蛭可作为判断淡水生境生态质量的生物指标[3]。因此,对水螨的遗传、生化和生态学分析是非常必要的,因为它们代表着淡水生态系统中最基本的生命水平。另一方面,最经典的研究文章
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引用次数: 0
Evaluation of Phytochemical Composition of Ginger Extracts 生姜提取物的植物化学成分评价
Pub Date : 2022-03-08 DOI: 10.31038/afs.2022424
Esther Kela, A. Sogbesan, U. B. Wakil
Ginger (Zingiber officinale) belongs to Zingiberaceae family. The used part of the plant is rhizome. This plant produces an orchid like flower with greenish yellow petals streaked with purple color. Ginger is cultivated in areas characterized by abundant rainfall. Even though it is native to southern Asia, ginger is also cultivated in tropical areas such as Jamaica, China, Nigeria and Haiti and it is an important spice crop in India [1]. Ginger, Zingiber officinalis, is a perennial herbaceous plant that is a part of the Zingiberaceae family. Ginger is an important plant with several medicinal, ethno medicinal and nutritional values (Kumar et al., 2011). Ginger is the underground rhizome of the ginger plant with a firm, striated texture. Zingiber officinale R., commonly known as ginger belongs to family Zingiberaceae [1].
姜(Zingiber officinale)属于姜科。这种植物被利用的部分是根茎。这种植物开的花像兰花,花瓣呈黄绿色,带紫色条纹。生姜种植在雨量充沛的地区。尽管生姜原产于南亚,但它也被种植在牙买加、中国、尼日利亚和海地等热带地区,它是印度重要的香料作物。生姜(Zingiber officinalis)是一种多年生草本植物,属于姜科植物。生姜是一种重要的植物,具有多种药用、民族药用和营养价值(Kumar et al., 2011)。姜是姜植物的地下根茎,质地坚硬,有条纹。生姜(Zingiber officinale R.),俗称姜,属姜科。
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引用次数: 2
Age Structure and Growth Rate of Rutilus frisii kutum (Kamensky, 1901) Population in Vali Abad River (Southern Caspian Sea), Iran 伊朗南里海Vali Abad河中Rutilus frisii kutum (Kamensky, 1901)种群的年龄结构和增长率
Pub Date : 2022-03-07 DOI: 10.31038/afs.2022422
M. Arabi, Seyede Roghaye Seyedpour, Narges Bavari Pebdani
Age is one of the most important biological aspects of fish, and the lack of accurate information on the age of many fish species leads to inappropriate management policies [1]. Growth phenomenon is also one of the most key biological aspects of fish in the population, which exhibits the type of adaptation to environmental conditions [2]. The kutum in the Caspian Sea (Rutilus frisii kutum) belong to the Cyprinidae family [3]. This species can be found all along the southern coast of the Caspian Sea from the river Atrak to the Kora. Vali Abad River, one of the tributaries of Cheshmeh Kileh River, flows in the southeast of Tonekabon city center. It is rain-fed and flows from west to east. The river has a length of 14 km, an average bed slope of 0.7% and flows in bicarbonate and bicarbonate sulfate areas [4]. Many kutums migrate to the Shiroud, Vali Abad, Hawiq, Lemir, Anzali, Sefidrood, Tajan, Babolrood and Gorganrood Rivers to reproduce in the coasts of Iran [5]. Terms of catch and extraction, kutums is one of the most valuable fisheries in the Caspian Sea and contributes more than half of the total catch of bony fish [6]. Overall, 90% of its resources comes from Iran [7]. This fish with its high economic value in the southern shores of the Caspian Sea which depends on conservation [8].
年龄是鱼类最重要的生物学方面之一,由于缺乏对许多鱼类年龄的准确信息,导致管理政策不恰当[1]。生长现象也是种群中鱼类最关键的生物学方面之一,表现为对环境条件的适应类型[2]。里海的蛤(Rutilus frisii kutum)属于蛤科[3]。这个物种可以在里海南部沿海从阿特拉克河到科拉河的所有地方找到。瓦里阿巴德河(Vali Abad River)是切什梅基列河(Cheshmeh Kileh River)的支流之一,流经托内卡邦市中心东南部。它是雨养的,由西向东流动。该河全长14公里,平均河床坡度为0.7%,流向碳酸氢盐和硫酸碳酸氢盐地区[4]。许多库图姆迁移到Shiroud、Vali Abad、Hawiq、Lemir、Anzali、Sefidrood、Tajan、Babolrood和Gorganrood河,在伊朗海岸繁殖[5]。就捕捞和开采而言,库图姆是里海最有价值的渔业之一,占硬骨鱼总捕捞量的一半以上[6]。总体而言,其90%的资源来自伊朗[7]。这种鱼在里海南岸具有很高的经济价值,这取决于保护[8]。
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引用次数: 0
An Overview of Silurus glanis Linnaeus, 1758 林奈(Linnaeus), 1758年
Pub Date : 2022-02-16 DOI: 10.31038/afs.2022416
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引用次数: 0
Abundance and Biodiversity of Zooplankton in Salimpur Coast, Bangladesh 孟加拉国萨林普尔海岸浮游动物的丰度和生物多样性
Pub Date : 2022-02-16 DOI: 10.31038/afs.2022415
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引用次数: 0
Effect of Short-term Elevation Temperature and Salinity Stress on Caspian Roach, Rutilus caspicus 短期高温和盐度胁迫对海蟑螂的影响
Pub Date : 2022-02-15 DOI: 10.31038/afs.2022414
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引用次数: 0
Some Aberrant Specimens of Puntius sarana sarana (Ham.-Buch.) from Fresh-Water Bodies of Jammu District of Union Territory of Jammu and Kashmir (India) 印度查谟和克什米尔联邦属地查谟区淡水水体中一些异常标本(Ham.-Buch.)
Pub Date : 2022-01-05 DOI: 10.31038/afs.2022411
Dutta Sps
Six deformed specimens of Puntius sarana sarana (Ham.-Buch.) were observed, over a period of ten years, among fish collections by fishermen Pargwal wetland, Akhnoor, and Ranbir Singh Pura area (R.S. Pura) of Jammu district and have been elaborated. Deformities observed include dorsal fin injury and naked eye count of six dorsal fin rays (4/2) in one specimen, slightly truncated one specimen and highly truncated and much shortened body along antero-posterior axis (stumpbody) and fins displacement in four specimens. X ray analysis has revealed six well developed and five rudimentary skin embedded fin rays and dorsal fin injury in one specimen and antero posterior irregular compressed vertebrae in five specimens. Dorsal fin deformity in one specimen is caused by a biological predator and Myxobolus infection. A possible cause of deformities in other five fish specimens is pesticides and herbicides spray in agricultural fields causing water contamination.
在查谟地区的Pargwal湿地、Akhnoor和Ranbir Singh Pura地区(R.S. Pura)的渔民收集的鱼类中,观察到6个变形的沙捞沙捞(Ham.-Buch.)标本,并对其进行了详细阐述。观察到的畸形包括一个标本的背鳍损伤和肉眼计数6条背鳍(4/2),一个标本略有截短,身体沿前后轴高度截短(残体),四个标本的鳍位移。X线分析显示1个标本有6条发育良好和5条未发育完全的皮肤嵌套鳍和背鳍损伤,5个标本有前后不规则压缩椎。一个标本的背鳍畸形是由生物捕食者和粘虫感染引起的。其他5种鱼类标本出现畸形的可能原因是农田喷洒杀虫剂和除草剂造成水污染。
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引用次数: 0
Spatial and Temporal Variations in Physico-Chemical Parameters and Abundance of Mollusc Species in Shiroro Lake, Minna, Niger State 尼日尔州米纳Shiroro湖软体动物物化参数及物种丰度的时空变化
Pub Date : 2022-01-03 DOI: 10.31038/afs.2021353
P. Samuel, Mutiyat F. Alabi
species the freshwater have Abstract Physico-chemical parameters, mollusc distribution and diversity in Shiroro Lake, Minna, Niger State was investigated between the months of March and August, 2017 spanning through the wet and dry seasons. Water samples for physico-chemical parameters and snails samples were collected and identified on monthly basis following standard methods. From the results; the temperature ranged from 26.5-32°C. The pH was all basic throughout the period of the study which ranged from 8.5-9.2 across all the stations. Dissolved Oxygen concentration ranged from 2.6-5.2 mg/L, while the BOD ranged from 2.2-4.9 mg/L. Nitrate level (0.43-0.83 mg/L) was high, while phosphate concentration (0.24-0.42 mg/L) was relatively low in all the sampling stations. A total number of 7 snail species were encountered. Station 3 had the highest number (403), station 2 with 363 species and station 1 had the lowest with 345 species. The family Viviparidae and Bithyniidae has 2 species each. The Bellamya phthinotropis has the highest number of species followed by Bellamya capillata; and the lowest was recorded among the species of Gebtella barthi. In general, the abundance of snails was higher during the rainy season than during the dry season. Taxa richness determined as Margalef index showed significant difference among the sampling stations. Similarly, diversity indices (Shannon Wiener, Simpson, dominance) also showed significant difference among the sampling stations. Lower values of diversity and Eveness indices were recorded at station 1. Station 2 had the highest record of diversity and eveness indices. Shiroro Lake is moderately organically polluted and adequate measures should be taken to check-mate this.
摘要于2017年3月至8月对尼日尔州米纳市Shiroro湖的理化参数、软体动物分布和多样性进行了调查,调查时间跨越干湿两季。按标准方法每月采集水样进行理化参数测定和蜗牛样品鉴定。从结果来看;温度在26.5-32℃之间。在整个研究期间,所有站点的pH值都是碱性的,范围在8.5-9.2之间。溶解氧浓度范围为2.6 ~ 5.2 mg/L, BOD范围为2.2 ~ 4.9 mg/L。各监测站硝酸盐含量较高(0.43 ~ 0.83 mg/L),磷酸盐含量较低(0.24 ~ 0.42 mg/L)。共发现7种蜗牛。3站最多,有403种,2站363种,1站最少,有345种。胎胎鸟科和胎胎鸟科各有2种。种类最多的是斜视贝拉米亚(Bellamya phthinotropis),其次是毛刺贝拉米亚(Bellamya capillata);最低的是巴氏革苔属(Gebtella barthi)。总体而言,雨季蜗牛丰度高于旱季。以Margalef指数确定的分类群丰富度在各采样站之间存在显著差异。同样,多样性指数(Shannon Wiener, Simpson,优势度)在采样站之间也表现出显著差异。多样性指数和均匀度指数在1号站点记录较低。2号站的多样性和均匀度指数最高。四郎湖为中度有机污染,应采取适当措施进行治理。
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引用次数: 0
An Overview of the First Organic Shrimp Model in the Mekong Delta of Vietnam 越南湄公河三角洲首个有机对虾模式综述
Pub Date : 2021-11-30 DOI: 10.31038/afs.2021344
Tho Nguyen, Tuyen Tran Thi Kim
Organic agriculture has developed rapidly and become a trend worldwide recently in the context of increasing demands for cleaner products [1,2]. In aquaculture sector, organic shrimp models are introduced in which shrimps and mangroves are raised in the same farms in a near-natural environment [3-5]. These models have been developed in the coastal areas of many countries in the tropics, such as Thailand, Bangladesh, Indonesia, India, Madagascar, and Vietnam [3,6-8]. In general, shrimps are raised in polyculture systems without using antibiotics and chemicals, and with special emphasis on the protection of mangrove forests and mangrove ecosystems [9]. Shrimps harvested from the models are examined and certified as ‘organic shrimp’ by several organizations such as the Ecocert (France), IMO Institute of Market Ecology (Switzerland), National Programme for Organic Production (India), and Japanese Agricultural Organic Standard (Japan). With the rising health and environmental awareness of global consumers, these models are expected to grow faster in the near future [10,11].
近年来,在人们对清洁产品需求不断增加的背景下,有机农业发展迅速,成为一种趋势[1,2]。在水产养殖领域,引入了有机对虾模式,在接近自然的环境下,将对虾和红树林在同一个养殖场饲养[3-5]。这些模式已在许多热带国家的沿海地区发展起来,如泰国、孟加拉国、印度尼西亚、印度、马达加斯加和越南[3,6-8]。一般来说,虾是在不使用抗生素和化学品的混养系统中饲养的,特别强调对红树林和红树林生态系统的保护[9]。从这些模型中收获的虾经过几个组织的检验和认证,如Ecocert(法国)、IMO市场生态学研究所(瑞士)、国家有机生产计划(印度)和日本农业有机标准(日本)。随着全球消费者健康和环保意识的提高,这些模式预计在不久的将来会增长得更快[10,11]。
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引用次数: 0
Phoenix Tree, Phoenix and Empress: Empress Historical-Cultural Symbol of Phoenix Tree and its Good Environmental Civilized Value 凤凰树、凤凰与皇后:凤凰树的皇后历史文化象征及其良好的环境文明价值
Pub Date : 2021-11-29 DOI: 10.31038/afs.2021342
Wu Zhi-wen
This paper is intented to analyze the interrelation,mutual influence and integration of phoenix tree,phoenix and empress in ecological and cultural terms.The study indicates the historical-cultural symbolical meaning of Empress Wu of phoenix tree,and the ecological value.Empress Wu is the incarnation of dragon,rebirth of Maitreya Buddha with godship.From aspect of theology,phoenix stays at phoenix tree that is a myth by means of phoenix tree;phoenix and dragon keep abreast,phoenix represents outstanding woman,and Empress Wu is the incarnation of phoenix(super holy bird),phoenix liked to stay on phoenix tree(super sacred tree).Therefore phoenix tree represents the body of empress.In Buddhism,phoenix(tree's) imagery being the sacred tree of Chinese Buddhism is its feature,which is formed when the tree is cultivated in religious temple.Empress Wu is a human with humanity.In forest culture,imagery of phoenix tree is of aesthetic culture which represents pure love subjective intension by means of phoenix tree in gardens planting of past dynasties and composition of poetry.Love imagery of phoenix tree and phoenix symbolizes human emotion of Empress Wu.Lofty imagery of phoenix tree symbolizes the only one empress in China.That falling leaves of phoenix tree shows autumn comes which symbolized Empress Wu lost her Kingship and became queen for the rest of her life.Aesthetic cultural connotation,consisting of nobleness and hope of phoenix and misery and sad of phoenix tree,symbolized people's comment to Empress Wu in the passed one thousand and three hundreds years.Ecological value of phoenix imagery: nine holy birds which perch at bronze divine trees of Sanxingdui,and Sunbird of the Jinsha Site gives an impression that golden bird carries the sun to soar in the universe,in human's mental concept,phoenix tree symbolizes habitat for humanity of ecological civilization,phoenix symbolizes human's dream of flying.Phoenix likes to stay on phoenix tree which symbolizes harmonious civilization of human and human's earnest hope for good life.
本文拟从生态文化的角度分析凤树、凤凰、皇后三者的相互关系、相互影响和融合。研究表明了凤凰树武后的历史文化象征意义和生态价值。武后是龙的化身,弥勒佛的转世,有神性。从神学角度看,凤凰停留在凤凰树上是一种神话,凤凰与龙并驾齐驱,凤凰代表杰出女性,武后是凤凰(超神鸟)的化身,凤凰喜欢停留在凤凰树上(超神鸟)。所以凤凰树代表皇后的身体。在佛教中,凤凰(树)的形象是中国佛教的神树,是其特色,这是在宗教寺庙中种植的。武皇后是一个有人性的人。在森林文化中,凤凰树意象是一种审美文化,通过历代园林栽植和诗词创作,体现了清纯爱情的主观内涵。梧桐树和凤凰的爱情意象象征着武后的人情情意。凤凰树的崇高形象象征着中国唯一的一位皇后。凤凰树的落叶象征着秋天的到来,象征着吴皇后失去了王位,成为了她余生的女王。凤凰的高贵与希望,凤凰树的悲苦与悲哀,构成了一千三百多年来人们对武后的评价的审美文化内涵。凤凰意象的生态价值:栖息在三星堆青铜神树上的九只圣鸟,金沙遗址的太阳鸟给人的印象是金色的鸟承载着太阳在宇宙中翱翔,在人们的心理观念中,凤凰树象征着生态文明人类的栖息地,凤凰象征着人类的飞翔梦想。凤凰喜欢呆在凤凰树上,象征着人类和谐文明和人类对美好生活的殷切希望。
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引用次数: 2
期刊
Aquaculture and Fisheries Studies
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