Silke Laakmann
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View article: Towards a broader perspective on marine biodiversity change
Towards a broader perspective on marine biodiversity change Open
Biodiversity decline jeopardizes the foundation of natural ecosystems and human well-being, a concern that prompted major global agreements aiming to bend the curve towards a net positive biodiversity future. Still, the critical importance…
View article: Of sequences and images - diversity and quantity of Arctic epipelagic zooplankton by an integrative approach
Of sequences and images - diversity and quantity of Arctic epipelagic zooplankton by an integrative approach Open
Due to the high sensitivity of zooplankton to environmental fluctuations, monitoring their taxonomic composition, abundance and biomass is of high priority to identify changes in the ecosystem. Recent advances in imaging and molecular tech…
View article: From science to policy: evolving marine biodiversity targets
From science to policy: evolving marine biodiversity targets Open
The Montreal‐Kunming Global Biodiversity Framework (GBF) substantially advances biodiversity protection. We systematically reviewed the scholarly literature published during the UN Decade on Biodiversity (2010–2020) to assess whether GBF t…
View article: Taxonomic uncertainty in North Atlantic and Mediterranean zooplankton limits species-level monitoring accuracy
Taxonomic uncertainty in North Atlantic and Mediterranean zooplankton limits species-level monitoring accuracy Open
Taxonomic discussions often permeate the broader scientific community slowly, yet they may hold more relevance than typically assumed. In many zooplankton groups, identification issues arise from cryptic species complexes, increasingly rev…
View article: Roaming the Seas—Assessing Marine Invertebrate Biodiversity Along Salinity Gradients With Zooplankton and <scp>eDNA</scp> Metabarcoding
Roaming the Seas—Assessing Marine Invertebrate Biodiversity Along Salinity Gradients With Zooplankton and <span>eDNA</span> Metabarcoding Open
Marine metazoan biodiversity is accretively being explored through environmental DNA (eDNA) metabarcoding of seawater. However, knowledge gaps in the use of eDNA to study changes in diversity resulting from changing abiotic conditions stil…
View article: A catalogue of wind events for assessing the connectivity among Marine Protected Areas in the German Bight (North Sea)
A catalogue of wind events for assessing the connectivity among Marine Protected Areas in the German Bight (North Sea) Open
Marine protected area (MPA) networks are fundamental for restoring and conserving ecosystem functions like biodiversity and general ecosystem health. Ideally, the effects of local conservation measures are not limited to one particular MPA…
View article: A universal tool for marine metazoan species identification: towards best practices in proteomic fingerprinting
A universal tool for marine metazoan species identification: towards best practices in proteomic fingerprinting Open
Proteomic fingerprinting using MALDI-TOF mass spectrometry is a well-established tool for identifying microorganisms and has shown promising results for identification of animal species, particularly disease vectors and marine organisms. A…
View article: Capturing drifting species and molecules—Lessons learned from integrated approaches to assess marine metazoan diversity in highly dynamic waters
Capturing drifting species and molecules—Lessons learned from integrated approaches to assess marine metazoan diversity in highly dynamic waters Open
Marine community diversity surveys require a reliable assessment to estimate ecosystem functions and their dynamics. For these, non‐invasive environmental DNA (eDNA) metabarcoding is increasingly applied in zoological studies to complement…
View article: Potential of MALDI‐TOF MS‐based proteomic fingerprinting for species identification of Cnidaria across classes, species, regions and developmental stages
Potential of MALDI‐TOF MS‐based proteomic fingerprinting for species identification of Cnidaria across classes, species, regions and developmental stages Open
Morphological identification of cnidarian species can be difficult throughout all life stages due to the lack of distinct morphological characters. Moreover, in some cnidarian taxa genetic markers are not fully informative, and in these ca…
View article: A universal tool for marine metazoan species identification -- Towards best practices in proteomic fingerprinting
A universal tool for marine metazoan species identification -- Towards best practices in proteomic fingerprinting Open
Proteomic fingerprinting using MALDI-TOF mass spectrometry is a well-established tool for identifying microorganisms and has shown promising results for identification of animal species, particularly disease vectors and marine organisms. A…
View article: Potential of MALDI−TOF MS-based proteomic fingerprinting for species identification of Cnidaria across classes, species, regions and developmental stages
Potential of MALDI−TOF MS-based proteomic fingerprinting for species identification of Cnidaria across classes, species, regions and developmental stages Open
Morphological identification of cnidarian species can be difficult throughout all life stages due to the lack of distinct morphological characters. Moreover, in some cnidarian taxa genetic markers are not fully informative, and in these ca…
View article: Perspectives of species identification by <scp>MALDI‐TOF MS</scp> in monitoring—Stability of proteomic fingerprints in marine epipelagic copepods
Perspectives of species identification by <span>MALDI‐TOF MS</span> in monitoring—Stability of proteomic fingerprints in marine epipelagic copepods Open
We analysed the robustness of species identification based on proteomic composition to data processing and intraspecific variability, specificity and sensitivity of species‐markers as well as discriminatory power of proteomic fingerprintin…
View article: Environmental <scp>DNA</scp> (<scp>eDNA</scp>) reveals potential for interoceanic fish invasions across the Panama Canal
Environmental <span>DNA</span> (<span>eDNA</span>) reveals potential for interoceanic fish invasions across the Panama Canal Open
Interoceanic canals can facilitate biological invasions as they connect the world's oceans and remove dispersal barriers between bioregions. As a consequence, multiple opportunities for biotic exchange arise and the resulting establishment…
View article: Perspectives of species identification by MALDI-TOF MS in monitoring - stability of proteomic fingerprints in marine epipelagic copepods
Perspectives of species identification by MALDI-TOF MS in monitoring - stability of proteomic fingerprints in marine epipelagic copepods Open
We analyzed robustness of species identification based on proteomic composition to data processing and intraspecific variability, specificity and sensitivity of species-markers as well as discriminatory power of proteomic fingerprinting an…
View article: Proteomic fingerprinting enables quantitative biodiversity assessments of species and ontogenetic stages in <i>Calanus</i> congeners (Copepoda, Crustacea) from the Arctic Ocean
Proteomic fingerprinting enables quantitative biodiversity assessments of species and ontogenetic stages in <i>Calanus</i> congeners (Copepoda, Crustacea) from the Arctic Ocean Open
Species identification is pivotal in biodiversity assessments and proteomic fingerprinting by MALDI‐TOF mass spectrometry has already been shown to reliably identify calanoid copepods to species level. However, MALDI‐TOF data may contain m…
View article: Compressed raw data files.rar
Compressed raw data files.rar Open
Compressed raw sequencing data generated from eDNA collected from the Panama Canal.
View article: metadata
metadata Open
Metadata to run the R Script
View article: R Markdown Script
R Markdown Script Open
R Markdown document describing all steps of the data analysis
View article: Environmental DNA (eDNA) reveals potential for interoceanic fish invasions across the Panama Canal
Environmental DNA (eDNA) reveals potential for interoceanic fish invasions across the Panama Canal Open
Interoceanic canals can facilitate biological invasions as they connect the world’s oceans and dissolve dispersal barriers between bioregions. As a consequence, multiple opportunities for biotic exchange arise and the resulting establishme…
View article: Toward a global reference database of COI barcodes for marine zooplankton
Toward a global reference database of COI barcodes for marine zooplankton Open
Characterization of species diversity of zooplankton is key to understanding, assessing, and predicting the function and future of pelagic ecosystems throughout the global ocean. The marine zooplankton assemblage, including only metazoans,…
View article: Proteomic fingerprinting facilitates biodiversity assessments in understudied ecosystems: A case study on integrated taxonomy of deep sea copepods
Proteomic fingerprinting facilitates biodiversity assessments in understudied ecosystems: A case study on integrated taxonomy of deep sea copepods Open
Accurate and reliable biodiversity estimates of marine zooplankton are a prerequisite to understand how changes in diversity can affect whole ecosystems. Species identification in the deep sea is significantly impeded by high numbers of ne…
View article: eDNA reveals widespread presence of marine fish in the Panama Canal
eDNA reveals widespread presence of marine fish in the Panama Canal Open
Shipping corridors can be hotspots for biological invasions as they connect the world’s oceans and dissolve dispersal barriers between these aquatic systems. As a consequence, multiple opportunities for biotic exchange arise and the result…
View article: The crossover from microscopy to genes in marine diversity: from species to assemblages in marine pelagic copepods
The crossover from microscopy to genes in marine diversity: from species to assemblages in marine pelagic copepods Open
An accurate identification of species and communities is a prerequisite for analysing and recording biodiversity and community shifts. In the context of marine biodiversity conservation and management, this review outlines past, present an…
View article: Morphological and molecular diagnostic species characters of Staurozoa (Cnidaria) collected on the coast of Helgoland (German Bight, North Sea)
Morphological and molecular diagnostic species characters of Staurozoa (Cnidaria) collected on the coast of Helgoland (German Bight, North Sea) Open
Scientific knowledge and records on staurozoans are limited probably because of their inconspicuous life habit and the small number of specialists for this taxon. To increase the awareness for Staurozoa, we identified morphological and mol…
View article: Unravelling diversity of deep-sea copepods using integrated morphological and molecular techniques
Unravelling diversity of deep-sea copepods using integrated morphological and molecular techniques Open
Accurate species identification is crucial for ecological studies. For copepods, this is usually based on a few diagnostic morphological characters, which can be highly conserved, resulting in an underestimation of species diversity in man…
View article: Species identification of echinoderms from the North Sea by combining morphology and molecular data
Species identification of echinoderms from the North Sea by combining morphology and molecular data Open
BACKGROUND: Taxonomic uncertainties in the morphological species identification and taxonomic revisions in individual groups are known for all echinoderm classes. These uncertainties in morphological species identification and discriminati…