Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i>
Habitat loss affects the nature of biotic interactions in all ecosystems and at all levels of the food web. Nevertheless, little attention has been given to soil nematodes in tropical habitats despite their important role in ecosystem functioning worldwide. Here, we analyzed the influence of anthrop...
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MDPI AG
2022-10-01
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| author | Julieta Benítez-Malvido Pablo Fabián Jaramillo-López Juan Manuel Lobato-García Héctor Hugo Siliceo-Cantero Francisco Mora-Ardila Rafael Lombera |
| author_facet | Julieta Benítez-Malvido Pablo Fabián Jaramillo-López Juan Manuel Lobato-García Héctor Hugo Siliceo-Cantero Francisco Mora-Ardila Rafael Lombera |
| author_sort | Julieta Benítez-Malvido |
| collection | DOAJ |
| description | Habitat loss affects the nature of biotic interactions in all ecosystems and at all levels of the food web. Nevertheless, little attention has been given to soil nematodes in tropical habitats despite their important role in ecosystem functioning worldwide. Here, we analyzed the influence of anthropogenic habitat disturbance on the absolute and relative density and composition (i.e., trophic guilds) of soil nematode communities associated with the rhizosphere of the tropical herb <i>Heliconia collinsiana</i> in continuous mature forests and human-induced secondary forests. We compared nematode densities based on the following feeding guilds: bacterivores, fungivores, herbivores and predators. Thereafter, we classified herbivorous nematodes into genera and described soil properties in both habitat types including pH, electrical conductivity, and organic matter content. Herbivores were significantly the most abundant feeding guild for both habitats represented by <i>Criconemella</i> spp., <i>Helicotylenchus</i> spp., and <i>Meloidogyne</i> spp., which showed no significant differences in density between habitats. Relative but not absolute nematode density differed between habitats, with fungivore nematodes being significantly lower in secondary forests. No significant differences in soil properties were detected. Overall, our results suggest that forest disturbance affects the nematode community associated with the rhizosphere of <i>H. collinsiana</i> which may affect forest succession and the dynamics of the soil biota. Our study contributes to the understanding of biotic interactions in conserved and disturbed tropical habitats. |
| first_indexed | 2024-03-09T20:21:49Z |
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| language | English |
| last_indexed | 2024-03-09T20:21:49Z |
| publishDate | 2022-10-01 |
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| series | Diversity |
| spelling | doaj.art-e83dfd84bb1040e39b5e7fe768c905bd2023-11-23T23:48:33ZengMDPI AGDiversity1424-28182022-10-01141083610.3390/d14100836Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i>Julieta Benítez-Malvido0Pablo Fabián Jaramillo-López1Juan Manuel Lobato-García2Héctor Hugo Siliceo-Cantero3Francisco Mora-Ardila4Rafael Lombera5Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Ex-Hacienda de San José de la Huerta, Morelia 58190, MexicoCONACYT—Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Ex-Hacienda de San José de la Huerta, Morelia 58190, MexicoInstituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Ex-Hacienda de San José de la Huerta, Morelia 58190, MexicoInstituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Ex-Hacienda de San José de la Huerta, Morelia 58190, MexicoInstituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Ex-Hacienda de San José de la Huerta, Morelia 58190, MexicoCabañas Arca de Noé, Selva Lacandona, Ejido Boca de Chajul S/N, Marqués de Comillas, Chiapas 29959, MexicoHabitat loss affects the nature of biotic interactions in all ecosystems and at all levels of the food web. Nevertheless, little attention has been given to soil nematodes in tropical habitats despite their important role in ecosystem functioning worldwide. Here, we analyzed the influence of anthropogenic habitat disturbance on the absolute and relative density and composition (i.e., trophic guilds) of soil nematode communities associated with the rhizosphere of the tropical herb <i>Heliconia collinsiana</i> in continuous mature forests and human-induced secondary forests. We compared nematode densities based on the following feeding guilds: bacterivores, fungivores, herbivores and predators. Thereafter, we classified herbivorous nematodes into genera and described soil properties in both habitat types including pH, electrical conductivity, and organic matter content. Herbivores were significantly the most abundant feeding guild for both habitats represented by <i>Criconemella</i> spp., <i>Helicotylenchus</i> spp., and <i>Meloidogyne</i> spp., which showed no significant differences in density between habitats. Relative but not absolute nematode density differed between habitats, with fungivore nematodes being significantly lower in secondary forests. No significant differences in soil properties were detected. Overall, our results suggest that forest disturbance affects the nematode community associated with the rhizosphere of <i>H. collinsiana</i> which may affect forest succession and the dynamics of the soil biota. Our study contributes to the understanding of biotic interactions in conserved and disturbed tropical habitats.https://www.mdpi.com/1424-2818/14/10/836habitat losssoil nematodessoil-borne plant diseasestropical rain forests |
| spellingShingle | Julieta Benítez-Malvido Pablo Fabián Jaramillo-López Juan Manuel Lobato-García Héctor Hugo Siliceo-Cantero Francisco Mora-Ardila Rafael Lombera Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> Diversity habitat loss soil nematodes soil-borne plant diseases tropical rain forests |
| title | Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> |
| title_full | Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> |
| title_fullStr | Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> |
| title_full_unstemmed | Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> |
| title_short | Effect of Habitat Disturbance on the Composition of Soil Nematode Functional Groups Associated with a Tropical Herb: <i>Heliconia collinsiana</i> |
| title_sort | effect of habitat disturbance on the composition of soil nematode functional groups associated with a tropical herb i heliconia collinsiana i |
| topic | habitat loss soil nematodes soil-borne plant diseases tropical rain forests |
| url | https://www.mdpi.com/1424-2818/14/10/836 |
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