David W. Thieltges

ORCID: 0000-0003-0602-0101
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About
Contact & Profiles
Research Areas
  • Parasite Biology and Host Interactions
  • Marine Bivalve and Aquaculture Studies
  • Parasites and Host Interactions
  • Aquatic Invertebrate Ecology and Behavior
  • Marine Ecology and Invasive Species
  • Marine and fisheries research
  • Helminth infection and control
  • Marine Biology and Ecology Research
  • Evolution and Genetic Dynamics
  • Crustacean biology and ecology
  • Isotope Analysis in Ecology
  • Bird parasitology and diseases
  • Genetic diversity and population structure
  • Animal Ecology and Behavior Studies
  • Marine animal studies overview
  • Plant and animal studies
  • Evolutionary Game Theory and Cooperation
  • Primate Behavior and Ecology
  • Coral and Marine Ecosystems Studies
  • Marine and coastal plant biology
  • Identification and Quantification in Food
  • Environmental DNA in Biodiversity Studies
  • Fish Biology and Ecology Studies
  • Insect symbiosis and bacterial influences
  • Turtle Biology and Conservation

Royal Netherlands Institute for Sea Research
2016-2025

University of Groningen
2021-2025

Nederlands Instituut Voor Zuivel Oonderzoek
2022

Bulgarian Academy of Sciences
2022

GEOMAR Helmholtz Centre for Ocean Research Kiel
2022

Utrecht University
2015-2020

University of Otago
2008-2018

Monash University
2013

University of Canberra
2013

Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
2003-2008

SUMMARY Growing interest in ecology has recently focused on the hypothesis that community diversity can mediate infection levels and disease (‘dilution effect’). In turn, biodiversity loss — a widespread consequence of environmental change indirectly promote increases disease, including those medical veterinary importance. While this work primarily correlational studies involving vector-borne microparasite diseases (e.g. Lyme West Nile virus), we argue parasites with complex life cycles...

10.1242/jeb.037721 article EN Journal of Experimental Biology 2010-02-26

Parasites primarily affect food web structure through changes to diversity and complexity. However, compared free-living species, their life-history traits lead more complex feeding niches altered motifs.

10.1371/journal.pbio.1001579 article EN cc-by PLoS Biology 2013-06-11

While the recent inclusion of parasites into food‐web studies has highlighted role as consumers, there is accumulating evidence that can also serve prey for predators. Here we investigated empirical patterns predation on and their relationships with parasite transmission in eight topological food webs representing marine freshwater ecosystems. Within each web, examined links typical predator–prey sub web well predator–parasite i.e. quadrant indicating which predators eat parasites. Most...

10.1111/j.1600-0706.2013.00243.x article EN Oikos 2013-04-25

Abstract Aquaculture is a promising source of fish and other aquatic organisms to ensure human food security but it comes at the price diverse environmental impacts. Among others, these include diseases which often thrive under conditions in aquaculture settings can cause high economic losses. These may also affect wildlife, however, impacts on disease dynamics wild species surrounding ecosystems are poorly understood. In this Review, we provide conceptual framework for studying effects...

10.1111/1365-2664.13775 article EN cc-by Journal of Applied Ecology 2020-10-11

Unveiling the factors and processes that shape dynamics of host associated microbial communities (microbiota) under natural conditions is an important part understanding predicting organism's response to a changing environment. The microbiota shaped by (i.e., genetic) as well biotic abiotic Studying variation community composition in multiple genetic backgrounds across spatial temporal scales represents means untangle this complex interplay. Here, we combined spatially-stratified with...

10.3389/fmicb.2016.01367 article EN cc-by Frontiers in Microbiology 2016-08-31

Abstract Viruses are the most abundant biological entities in marine environments, however, despite its potential ecological implications, little is known about virus removal by ambient non-host organisms. Here, we examined effects of a variety organisms on viruses. The algal PgV-07T (infective to Phaeocystis globosa ) can be discriminated from bacteriophages using flow cytometry, facilitating use as representative model system. Of all tested, anemones, polychaete larvae, sea squirts, crabs,...

10.1038/s41598-020-61691-y article EN cc-by Scientific Reports 2020-03-23

Abstract For about a century, biodiversity in the tidal Wadden Sea (North Sea, European Atlantic) has increased by more than one hundred introduced species from overseas. Most originate warmer waters and could facilitate transformation of this coastal ecosystem to comply with climate warming. Some promote sediment stabilization mud accretion. This help flats keep up sea level rise. Although some also entail negative effects, introductions have diversified lower food web levels, may benefit...

10.1007/s12526-022-01302-3 article EN cc-by Marine Biodiversity 2023-01-10

SUMMARY To understand possible factors controlling transmission of trematode larvae between first and second intermediate hosts we examined the impact ambient fauna on parasite in a marine intertidal parasite-host association. Cockle ( Cerastoderma edule ) kept together with selected co-occurring macrozoobenthic species mesocosms acquired lower load compared to cockles alone, when targeted by cercariae Himasthla elongata . The reduction differed 7 tested was 35 91%. Three different types...

10.1017/s0031182008004526 article EN Parasitology 2008-06-19

Similarity in parasite community composition often decreases with both increasing geographic distance and environmental dissimilarity between localities, though it is unknown whether similarity local abundance of selected species follows similar rules. We tested this using data on metazoan parasites 126 stickleback (Gasterosteus aculeatus) populations, locations from Eurasia, eastern North America, western America treated separately. values were regressed against pairwise distances...

10.1111/j.1600-0587.2010.06826.x article EN Ecography 2011-02-01

Identifying the factors shaping variation in parasite diversity among host species is crucial to understand wildlife diseases. Although micro- and macroparasites may exert different selective pressures on their hosts, studies investigating determinants of richness animals have rarely considered this divide. Here, we investigated role life history ecology explaining helminths (macroparasites) haemosporidians (microparasites) birds world-wide. We collated data from multiple global datasets...

10.1111/1365-2656.12998 article EN Journal of Animal Ecology 2019-04-19
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