Topical Collection "Marine Invasive Species"

A topical collection in Diversity (ISSN 1424-2818). This collection belongs to the section "Marine Diversity".

Editors

Prof. Dr. Bert W. Hoeksema
E-Mail Website1 Website2
Collection Editor
1. Taxonomy and Systematics Group, Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
2. Groningen Institute for Evolutionary Life Sciences, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands
Interests: stony corals; coral-associated fauna; coral reef conservation; coral taxonomy; coral trade; tropical marine biodiversity; marine invertebrates; marine biogeography; phylogeny reconstructions; marine invasives
Special Issues, Collections and Topics in MDPI journals
Dr. Adriaan Gittenberger
E-Mail Website1 Website2
Collection Editor
1. GiMaRIS, Rijksstraatweg 75, 2171 AK Sassenheim, The Netherlands
2. Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands
Interests: marine biogeography; non-native marine species disperal; species interactions; non-native species impact assessment; ascidians; marine molluscs; population genetics; cryptic species detection and impact; non-native species monitoring and identification methods; climate change linked species establishment chances

Topical Collection Information

Dear Colleagues,

An increasing number of marine invasive species are expanding their ranges in seas all over the globe. As introduced species, they draw attention when they negatively affect populations of native species or when they harm fisheries, shipping, or other industries. Their role can be controversial, since they can be considered as enrichment of the local biota or as a compensation for the loss of native species, as if their introduction is part of a natural selection process in the competition for space.

From a biological perspective, marine invasives attract much attention. Some of the fundamental research questions related to them are species-dependent, while others address general patterns or processes. Often, an anthropogenic factor is involved in the migration of single species or entire species assemblages from their native area to a non-native range. Marine species may expand their ranges by transport in ballast water, as fouling organisms on vessels, oil platforms, flotsam, or shellfish, as escaped aquarium organisms, or by dispersal through new waterways. Once a species has been introduced, the way in which it further expands its range may become a subject of research (e.g., ocean sprawling), and one may debate when a species is really considered invasive. Occasionally, non-native species that increase in abundance and become a nuisance or pest are also considered invasive. One can study the way in which introduced species interact with the original native flora and fauna. It may also be important to identify the relevant ecological traits of introduced marine species that enable them to expand in their non-native range, such as diet or natural enemies. All these questions can be addressed in this Topical Collection on marine invasive species.

Prof. Dr. Bert W. Hoeksema
Dr. Adriaan Gittenberger
Collection Editors

Manuscript Submission Information

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Keywords

  • alien species
  • ballast water
  • fisheries
  • flotsam
  • fouling organisms
  • native range
  • non-native range
  • nuisance species
  • pest proportions
  • release of aquarium pets
  • species introductions

Published Papers (2 papers)

2022

Jump to: 2021

Article
ITS DNA Barcoding Reveals That Halophila stipulacea Still Remains the Only Non-Indigenous Seagrass of the Mediterranean Sea
Diversity 2022, 14(2), 76; https://doi.org/10.3390/d14020076 - 22 Jan 2022
Cited by 2 | Viewed by 1047
Abstract
Non-indigenous species (NIS) are one of the major threats to the native marine ecosystems of the Mediterranean Sea. Halophila stipulacea was the only exotic seagrass of the Mediterranean until 2018, when small patches of a species morphologically identified as Halophila decipiens were reported [...] Read more.
Non-indigenous species (NIS) are one of the major threats to the native marine ecosystems of the Mediterranean Sea. Halophila stipulacea was the only exotic seagrass of the Mediterranean until 2018, when small patches of a species morphologically identified as Halophila decipiens were reported in Salamina Island, Greece. Given the absence of reproductive structures during the identification and the taxonomic ambiguities known to lead to misidentifications on this genus, we reassessed the identity of this new exotic record using DNA barcoding (rbcL, matK and ITS) and the recently published taxonomic key. Despite their morphologic similarity to H. decipiens based on the new taxonomic key, the specimens showed no nucleotide differences with H. stipulacea specimens (Crete) for the three barcodes and clustered together on the ITS phylogenetic tree. Considering the high species resolution of the ITS region and the common morphological variability within the genus, the unequivocal genetic result suggests that the Halophila population found in Salamina Island most likely corresponds to a morphologically variant H. stipulacea. Our results highlight the importance of applying an integrated taxonomic approach (morphological and molecular) to taxonomically complex genera such as Halophila, in order to avoid overlooking or misreporting species range shifts, which is essential for monitoring NIS introductions. Full article
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2021

Jump to: 2022

Article
How Do Biological and Functional Diversity Change in Invaded Tropical Marine Rocky Reef Communities?
Diversity 2021, 13(8), 353; https://doi.org/10.3390/d13080353 - 31 Jul 2021
Viewed by 838
Abstract
Evidence so far shows that most alien species (AS) have negative impacts on native biodiversity and are changing biodiversity in almost all environments. Here, we study eight rocky shores at four sites containing reefs with invaded communities and other not-invaded (control) communities, to [...] Read more.
Evidence so far shows that most alien species (AS) have negative impacts on native biodiversity and are changing biodiversity in almost all environments. Here, we study eight rocky shores at four sites containing reefs with invaded communities and other not-invaded (control) communities, to evaluate the effects of four marine invasive species on biological and functional diversity. We used the adjustment and selection approach of species abundance distribution models (SAD), taxonomic diversity indices and functional diversity indices based on hierarchical grouping matrices (FD—Functional Diversity). In addition to comparing invaded and not-invaded communities, we also performed the same analysis, but removed the invaders (AS removed) from the matrices. The geometric-series model was best adjusted to the majority of communities. The diversity indices suggest that the taxonomic diversity is lower in invaded communities, while the functional diversity indices suggest a change in the functional space of invaded and not-invaded communities, with a greater amount of functional space filled by species in the not-invaded communities. Taxonomic and functional diversity indices were successful in identifying processes that determine the biological diversity of invaded communities, as they seem to obey a pattern that reflects the reduced diversity of invaded communities. Full article
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Figure 1

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