Ali Serhan Tarkan

Ali Serhan Tarkan
Mugla Üniversitesi · Faculty of Fisheries

PhD

About

233
Publications
78,812
Reads
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3,320
Citations
Citations since 2016
92 Research Items
2426 Citations
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20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
Introduction
Ali Serhan Tarkan currently works at the Faculty of Fisheries, Muğla Sıtkı Koçman University. Serhan does research on understanding Invasion ecology with freshwater fishes as model species.
Additional affiliations
February 2008 - July 2015
Mugla Üniversitesi
Position
  • Professor

Publications

Publications (233)
Article
Full-text available
Stocking of water bodies with non-native fish species for fisheries enhancement is common practice worldwide. However, overall limited benefits in terms of revenues for local communities have so far been reported in some countries, whilst accidental introductions of several non-native fish species have occurred. To evaluate the benefits vs. costs a...
Article
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The management of common carp Cyprinus carpio has become a priority issue in most of its native range and where it has been introduced. This is because of the effects (both documented and anecdotal) on freshwater ecosystems that the species is able to exert. To provide a general framework for future management of introductions of this species, this...
Article
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1. In response to reported declines in crucian carp Carassius carassius across Europe, studies of the status and population biology of the species in England led to Biodiversity Action Plan priority designation in the eastern county of Norfolk. 2. In light of new data on crucian carp populations in eastern England (counties of Essex, Hertfordshire...
Article
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Comparative assessments of mean growth rates in length across fish populations are useful for gaining insights into the conservation, management and control of species, especially at larger scales of distribution. The purpose of this study was to refine the Growth Index (GI), a useful measure for comparing species-specific growth rates in fish. Usi...
Article
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North American black bullhead, Ameiurus melas, which were introduced to Europe in the nineteenth and twentieth centuries, have received relatively little study. With focus on growth and reproduction, this extensive review, which includes new European data, aims to inform the risk analysis process concerning this non-native species in Europe. Surpri...
Article
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Electronic decision-support tools are becoming an essential component of government strategies to tackle non-native species invasions. This study describes the development and application of a multilingual electronic decision-support tool for screening terrestrial animals under current and future climate conditions: the Terrestrial Animal Species I...
Article
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Understanding the invasion success of alien species includes developing knowledge on how the biological traits of their populations respond to spatial differences in environmental conditions. For invasive fishes, while the influence of latitudinal and climatic gradients on their biological traits over large spatial scales is well established, there...
Book
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With the the support of the University of Guilan and the Iranian Society of Ichthyology, the "Ninth National and the First International Iranian Conference of Ichthyology" with the goal of exchanging ideas, synergy and updating knowledge in various areas of fish biodiversity, conservation of native fish species and protection of aquatic ecosystems...
Book
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Our Research Topic titled “Understanding the Impact and Invasion Success of Aquatic Non-native Species: How They Interact with Novel Environments and Native Biota,” compiled a series of research studies providing new data and approaches in assessing the invasion success and the impacts of various non-native species in the different regions of the w...
Article
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Increased detrimental impacts of biological invasions have triggered the development of risk screening tools to rapidly identify the invasive potential of organisms. These tools assess the biological and historical characteristics of non-native species and predict their invasiveness in a given geographical area. However, challenges for identifying...
Article
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Monitoring oxidative stress biomarkers has become a powerful and common tool to estimate organismal condition and response to endogenous and environmental factors. In the present study, we used round goby ( Neogobius melanostomus ) from non-native European populations, as a model species to test sex differences in oxidative stress biomarkers. Consi...
Article
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Editorial on the Research Topic 'Understanding the Impact and Invasion Success of Aquatic Non-native Species: How They Interact With Novel Environments and Native Biota'
Article
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As a non-native species invades a new region, individuals at the range front are often characterised by differences in their traits and behaviours versus individuals in the established 'core' area. Here, differences in life history traits of invading pumpkinseed Lepomis gibbosus were assessed across a fine spatial scale in the Sarıçay Stream, Turke...
Article
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Human-induced biological introductions pose a major threat to global biodiversity, and this is especially frequent in the eastern Mediterranean region, which is a globally important biodiversity hotspot area of high conservation value. To predict at which level introduced species in this region might become invasive under current and projected clim...
Article
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Non-native species can enter new habitats and ecosystems in a variety of ways. Suitable ecological conditions must exist for non-native species to reproduce in newly colonized habitats. Hot springs are suitable habitats for tropical, aquarium, and ornamental fish species. This paper presents the results of research on the distribution of non-native...
Article
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The impacts of aquatic invasive species vary from the population to ecosystem level most strikingly through modifications to native communities, often leading to a decline in native species. A primary impact mechanism is competitive displacement of native by invasive species through resource partitioning. However, the trophic interactions between n...
Article
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Alongside climate change, the introduction of non-native species (NNS) is widely recognized as one of the main threats to aquatic biodiversity and human well‐being. Non-native species and biodiversity are generally low priority issues on the political agendas of many countries, particularly in European countries outside the European Union (EU). The...
Article
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Unusual development of a filamentous extension of the lower caudal-fin lobe was observed in eight male individuals of the Lessepsian migrant fish species Nemipterus randalli, collected from Gökova Bay, south-eastern Mediterranean Sea. It is suggested that this phenotypic trait is related to the highly successful invasion of this species in the east...
Article
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The survival and establishment of alien fishes in novel environments can result in resource partitioning with native fishes. This can cause ecological impact and suppression of native populations. However, quantifying the impact of novel interactions between alien and native species remains highly challenging in the wild. Consequently, to determine...
Article
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The threat posed by invasive non-native species worldwide requires a global approach to identify which introduced species are likely to pose an elevated risk of impact to native species and ecosystems. To inform policy, stakeholders and management decisions on global threats to aquatic ecosystems, 195 assessors representing 120 risk assessment area...
Article
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Abstract: Fish communities are important indicators of the health of riverine ecosystems. Fish monitoring for The Living Murray (TLM) initiative, one of Australia’s most ambitious restoration undertakings for the degraded river–floodplain biota of the River Murray system (south-eastern Australia), was carried out annually from 2005 to 2011 across s...
Article
Invasive alien fishes have detrimental ecological effects on aquatic ecosystems and the services they provide. Impacts from an invasion in a single ecosystem may differ across space and time due to variability in prey availability and environmental conditions. We hypothesize that such variability can be profound, even within a single ecosystem. Sta...
Article
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Rainbow trout ( Oncorhynchus mykiss ) has become by far the most frequently farmed freshwater fish species in Turkey, whereas very little is known about its establishment and invasiveness potential. We explored this potential through a combination of Maxent habitat suitability model and the Aquatic Species Invasiveness Screening Kit (AS-ISK) on the...
Data
The file contains a part of Supplementary Material of the following research item: Yoğurtçuoğlu, Baran; Bucak, Tuba; Ekmekçi, Fitnat Güler; Kaya, Cüneyt; Tarkan, Ali Serhan (2021): Mapping the Establishment and Invasiveness Potential of Rainbow Trout (Oncorhynchus mykiss) in Turkey: With Special Emphasis on the Conservation of Native Salmonids. Fr...
Article
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A review is provided of length–length relationships (LLR) for common carp Cyprinus carpio at the global scale. In total, 16 studies were retrieved from a comprehensive literature search that provided LLR for C. carpio populations from 26 water bodies consisting of water courses, lakes and reservoirs across nine countries in four continents. There w...
Article
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Background. Ornamental freshwater fish releases constitute a remarkable proportion of the 100 worst invasive species worldwide. Early detection and knowledge of likely introduction vectors and pathways of potentially invasive fishes into sensitive habitats are key for their proper management, hence rapid and correct identification of their occurren...
Preprint
The western tubenose goby is one of the most wide-spread invasive fish species in European freshwaters, though information of its life-history in relation to its invasion success is limited. We compared the reproductive traits, growth rate and condition of three populations that differed in their stage of invasion in its expanding range in the Rive...
Article
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Freshwater fish are one of the most frequently translocated and introduced aquatic animal groups and exhibit higher establishment ratios than many other taxa. Introductions are usually irreversible. One of common non-native fish species in Turkey is the Gibel Carp, Carassius gibelio which was introduced in the 1980s and is now widespread. We tested...
Article
Environmental changes due to non-native species introductions and translocations are a global concern. Whilst understanding the causes of bioinvasions is important, there is need for decision-support tools that facilitate effective communication of the potential risks of invasive non-native species to stakeholders. Decision-support tools have been...
Article
Full-text available
Environmental changes due to non-native species introductions and translocations are a global concern. Whilst understanding the causes of bioinvasions is important, there is need for decision-support tools that facilitate effective communication of the potential risks of invasive non-native species to stakeholders. Decision-support tools have been...
Article
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The ide Leuciscus idus is a large-bodied cyprinid native to freshwaters around the Baltic, Black, Caspian and North seas. Historically an important commercial species, the ide is exploited in recreational fisheries and as an ornamental fish, and is subject to translocation and stocking events. The ide is less well-studied than many European cyprini...
Article
The western tubenose goby is one of the most wide-spread invasive fish species in European freshwaters, though information of its life-history in relation to its invasion success is limited. We compared the reproductive traits, growth rate and condition of three populations that differed in their stage of invasion in its expanding range in the Rive...
Article
Full-text available
Rapid adaptation to global change can counter vulnerability of species to population declines and extinction. Theoretically, under such circumstances both genetic variation and phenotypic plasticity can maintain population fitness, but empirical support for this is currently limited. Here, we aim to characterize the role of environmental and geneti...
Article
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• The crucian carp Carassius carassius, a cyprinid fish characteristic of small ponds, is in decline throughout most of its European range, including in England where it is currently thought to be non‐native. • The present study, undertaken by the Norfolk Crucian Project, reports on reductions in pond populations of crucian carp in Norfolk, eastern...
Article
Risk screening tools are being increasingly used to identify the potential invasiveness and associated risks of non-native species. In this study, the Aquatic Species Invasiveness Screening Kit was used to evaluate the invasiveness risks of extant and horizon non-native marine fish species for the coastal waters of South Korea. In total, 57 marine...
Article
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In this study, length and weight data for three endemic fish species of Northwestern Anatolia (Capoeta baliki, Capoeta sieboldii and Chondrostoma angorense) were collected throughout their distribution ranges and used to estimate length-length, total length (TL)-weight and empirical standard weight (W s) equations. The obtained W s equations were:...
Article
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Otoliths have been proved an appropriate tool to identify fish species, and they have been in use in studies of prey-predator relationships, population dynamics and ichthyo-archaeology. In addition, the fish otoliths are frequently used to decide age and size of the teleost fishes. The relationships between otolith measurements (length, width, and...
Conference Paper
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Unio species are freshwater and threatened mussels, which are found naturally in Turkish inlands. It is crucial to understand their life cycles fully for the production and conservation purposes. This study was conducted in Tersakan stream (Dalaman, Muğla) between January and June 2014 to quantify effect of glochidia (larval stage of freshwater mus...
Article
Full-text available
Otoliths have been proved an appropriate tool to identify fish species, and they have been in use in studies of prey-predator relationships, population dynam-ics and ichthyo-archaeology. In addition, the fish otoliths are frequently used to decide age and size of the teleost fishes. The relationships between otolith measurements (length, width, and...
Article
Full-text available
Facilitated by the intensification of global trading, the introduction and dispersal of species to areas in which they are historically non‐native is nowadays common. From an evolutionary standpoint, invasions are paradoxical: not only non‐native environments could be different from native ones for which introduced individuals would be ill‐adapted,...
Article
The aim of the present study was to risk screen 45 jellyfish species (30 hydromedusae, 14 scyphomedusae, one cubomedusa) for their potential invasiveness in the Mediterranean Sea to aid managers in making informed decisions on targeting appropriate species for management. Using the Aquatic Species Invasiveness Screening Kit (AS ISK), calibrated bas...
Presentation
Full-text available
The aim of this study was to discuss the current state of knowledge on Ladigesocypris irideus complex and to propose conservation measures aimed to the protection of the local populations.
Article
Non-native freshwater fish introductions can have direct and indirect negative effects on native flora and fauna, ecosystems, and national economies. Although invasions are paradoxical from an evolutionary standpoint, population genetics could be useful to understand invasion scenarios of non-native species. One of the most common introduced fish i...
Article
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There have been increasing concerns about endemic species in recent years. Endemism is one of the major basic piece of continuing legacy of biodiversity. However, our knowledge on basic bio-ecological features and habitat requirements of many endemic freshwater fish species in Turkish inlands is highly limited. In this context it was conducted a ye...
Article
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The freshwater Fish Invasiveness Screening Kit (FISK) has been applied in 35 risk assessment areas in 45 countries across the six inhabited continents (11 applications using FISK v1; 25 using FISK v2). The present study aimed: to assess the breadth of FISK applications and the confidence (certainty) levels associated with the decision-support tool’...
Article
The European Non-native Species in Aquaculture Risk Analysis Scheme (ENSARS) was used to assess one of the most popular aquaculture species in the world, the striped catfish Pangasianodon hypophthalmus (Sauvage), in two locations of southern Anatolia (Turkey). The overall mean risk score generated for P. hypophthalmus by the ENSARS Organism module...
Article
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The aim of the present paper is to revise the distribution range of the invasive freshwater fish species, topmouth gudgeon Pseudorasbora parva (Temminck and Schlegel, 1846) in Turkey, based on the literature review. After the first report of the species from the Meriç River in Thrace (European part of Turkey) in 1982, it has spread across the count...
Article
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In this study, the age and growth characteristics of Randall's threadfin bream (Nemipterus randalli Russell, 1986) in Gökova Bay (southern Aegean Sea) were examined. In total, 221 (varied between 10.8-21.9 cm in total length and 18.19-150.10 g in total weight) were examined on a monthly basis between May 2015 and April 2016. The sex ratio (male: fe...
Article
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Invasive alien species (IAS) are one of the major drivers of change that can negatively affect biodiversity, ecosystem functions and services and human health; islands are particularly vulnerable to biological invasions. Horizon scanning can lead to prioritisation of IAS to inform decision-making and action; its scale and scope can vary depending o...
Presentation
Full-text available
The damage caused by non-native and invasive species to the local fauna, flora, ecosystem and socioeconomic structure has been well known for many years and the studies conducted on this subject have increased significantly in recent years. In this sense, it is essential to identify potential non-native species that may pose a threat, to continuous...
Article
The feeding ecology of the two gobiid species monkey goby Neogobius fluviatilis and western tubenose goby Proterorhinus semilunaris was studied in four natural lakes of the Marmara Region (NW Turkey), with special emphasis on seasonal and ontogenetic shifts in diet. Both species had similar food composition consisting of zooplankton and detritus. H...
Article
Background. The ‘Lessepsian migration’ is a unidirectional phenomenon of successful biotic colonisation from the Red Sea into the eastern Mediterranean Sea via the Suez Canal. In this study, 45 Lessepsian marine fish species were screened for their potential invasiveness in the south-western coasts of Anatolia (Muğla region, Turkey), with the aim t...
Article
Full-text available
Standardized tools are needed to identify and prioritize the most harmful non-native species (NNS). A plethora of assessment protocols have been developed to evaluate the current and potential impacts of non-native species, but consistency among them has received limited attention. To estimate the consistency across impact assessment protocols, 89...
Article
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The Ponto-Caspian region is an important source area for some invasive gobiid fishes. These fishes have colonised several freshwater ecosystems in Europe, as well as in North America. As knowledge on their habitat utilisation in their native range remains limited, the seasonal habitat uses of Western tubenose goby, Proterorhinus semilunaris and mon...
Article
Full-text available
Invasion risk assessments are reliant on ecological data that assist the predictions of whether an introduced species will adapt to novel conditions. Data from the native range of potential invaders can thus assist these assessments. Here, the growth and reproductive characteristics of the Western tubenose goby Proterorhinus semilunaris, a Ponto-Ca...
Article
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Clarias gariepinus and Oreochromis niloticus are two hot-water fish species of African origins that have been recently reported to occur unnaturally in hot-water resources and springs in Sakarya River Basin (North Western Turkey). Within effective strategies plan to maintain native biodiversity, monitoring fish well-being can be useful to evaluate...
Article
The aim of this study was to provide baseline data and fill an outstanding knowledge gap in our understanding of factors affecting the invasiveness of the Ponto-Caspian gobiid Neogobius fluviatilis. To this end, the life history traits (as somatic growth and reproduction) of N. fluviatilis were studied in three natural freshwater lakes in its nativ...
Article
Full-text available
Background. The ‘Lessepsian migration’ is a unidirectional phenomenon of successful biotic colonisation from the Red Sea into the eastern Mediterranean Sea via the Suez Canal. This is an on-going process responsible for both positive and negative effects on the marine ecosystem. In this study, 45 Lessepsian marine fish species were screened for the...
Article
Full-text available
The native European freshwater cyprinid fish, common bleak Alburnus alburnus (Linnaeus, 1758), is an invasive non-native fish in the Iberian Peninsula, where it threatens the valuable endemic fish fauna. Despite the bleak's invasive status, there is a dearth of studies on the biological traits of non-native populations in Europe's Mediterranean reg...
Article
Full-text available
Several Ponto-Caspian gobiids have expanded from their native distribution ranges to Europe and North America. As knowledge on their bio-ecological features in their native range is still limited, the trophic ecology of monkey goby Neogobius fluviatilis and Western tubenose goby Proterorhinus semilunaris was studied in three natural lakes in the Ma...