The Effect of Environment On Marine Nematode Assemblages as Indicated By the Maturity Index

Palmer, L F; Neilson, Roy; Boag, B.

doi:10.1163/004325996x00075

Cited by 13 publications

(1 citation statement)

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“…In contrast to the relatively stable nature of soil, the sand in dune systems is dynamic and always in a state of successional change [41], and therefore changes in the nematode community can help to determine the quality of the soil in these sequences. Some studies carried out to date on the relationship between nematodes and coastal dunes focus on the study of soil quality in these habitats, using these animals as bioindicators, since the same taxa usually appear in this type of environment [7,20,40,[42][43][44][45][46][47][48]. In addition, due to the large number of species present in the same habitat, the analysis of the biodiversity of nematofauna present in the soil is essential to increase the knowledge of the ecological processes that take place in it [49].…”

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confidence: 99%

Prevalence and Distribution of Nematodes from Coastal Sand Dunes in the Iberian Peninsula

Ruiz-Cuenca,

Abolafia

2023

Coasts

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Nematodes are a large and diversified zoological group with a wide global distribution, being able even to be present in habitats with extreme conditions. Although coastal dunes can be considered as an adverse environment for these animals, numerous species are discovered there. In general, these small animals present some morphological characteristics, which provide them a high adaptability to these habitats and the ability to reach a wide distribution. In this study, a total of 222 sample sites of coastal sand dunes have been studied in order to know the nematofauna of these habitats. Thus, 42 coastal dunes from three geographical areas of the Iberian Peninsula coast (Atlantic coast, southern Mediterranean coast, and northern Mediterranean coast) were examined. A total of 120 species of nematodes were found, belonging to eight orders. The results showed the higher prevalence of the species belonging to the order Rhabditida, which were present in 84.2% of the sand dunes studied, most of them belonging to the family Cephalobidae with 42 species, while the order with lower prevalence was the order Enoplida appearing only in one dune (0.9%). The classification of nematofauna by trophic groups showed that bacterial feeders, omnivores, hyphal feeders, and plant feeders shared a high prevalence (83.3%, 40.5%, 34.2%, and 32.8%, respectively), while predators, unicellular eukaryote feeders, and substrate ingesters account for less than 11%. A list of the found species, prevalence, and trophic groups is included.

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