Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore
Fish communities differ significantly between the littoral and the pelagic habitats. This paper attempts to define the shift in communities between the two habitats based on the European standard gillnet catch. We sampled the benthic and pelagic habitats from shore to shore in Lake Most and Římov Re...
Guardado en:
| Autores principales: | , , , , , , , , , , , , , , , , , , |
|---|---|
| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
|
| Materias: | |
| Acceso en línea: | https://doaj.org/article/ef21501be07847409900704af25bcf7e |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| id |
oai:doaj.org-article:ef21501be07847409900704af25bcf7e |
|---|---|
| record_format |
dspace |
| spelling |
oai:doaj.org-article:ef21501be07847409900704af25bcf7e2021-11-25T19:16:29ZOpenness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore10.3390/w132232912073-4441https://doaj.org/article/ef21501be07847409900704af25bcf7e2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3291https://doaj.org/toc/2073-4441Fish communities differ significantly between the littoral and the pelagic habitats. This paper attempts to define the shift in communities between the two habitats based on the European standard gillnet catch. We sampled the benthic and pelagic habitats from shore to shore in Lake Most and Římov Reservoir (Czech Republic). The 3 m deep pelagic nets were spanned across the water body at equal distances from two boundary points, where the depth was 3.5 m. The benthic community contained more fish, more species, and smaller individuals. The mild sloped littoral with a soft bottom attracted more fish than the sloping bank with a hard bottom and less benthos and large <i>Daphnia</i>. The catch of the pelagic nets was dominated by eurytopic fish—rudd (<i>Scardinius erythrophthalmus</i>) and roach (<i>Rutilus rutilus</i>) in Most and bleak (<i>Alburnus alburnus</i>) in Římov. With the exception of one case where overgrown macrophytes extended the structured habitat, the largest shift from the benthic to the pelagic community was observed only in the first pelagic gillnet above the bottom depth of 3.5 m. Open water catches were relatively constant with small signs of decline towards the middle of the lake. The results indicate that the benthic gillnet catch is representative of a very limited area and volume, while most of the volume is dominated by the pelagic community. This has important consequences for the assessment of the community parameters of the whole lake following the European standards for gillnet sampling design.Karlos MoraesAllan T. SouzaMojmír VašekDaniel BartoňPetr BlabolilMartin ČechRomulo A. dos SantosVladislav DraštíkMichaela HolubováTomáš JůzaLuboš KočvaraKateřina KolářováJosef MatěnaJiří PeterkaMilan ŘíhaZuzana SajdlováMarek ŠmejkalLobsang TseringJan KubečkaMDPI AGarticlehabitat usespatial distributionecotoneopen water <i>Scardinius</i><i>Rutilus</i><i>Alburnus</i>Hydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3291, p 3291 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
habitat use spatial distribution ecotone open water <i>Scardinius</i> <i>Rutilus</i> <i>Alburnus</i> Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
| spellingShingle |
habitat use spatial distribution ecotone open water <i>Scardinius</i> <i>Rutilus</i> <i>Alburnus</i> Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Karlos Moraes Allan T. Souza Mojmír Vašek Daniel Bartoň Petr Blabolil Martin Čech Romulo A. dos Santos Vladislav Draštík Michaela Holubová Tomáš Jůza Luboš Kočvara Kateřina Kolářová Josef Matěna Jiří Peterka Milan Říha Zuzana Sajdlová Marek Šmejkal Lobsang Tsering Jan Kubečka Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| description |
Fish communities differ significantly between the littoral and the pelagic habitats. This paper attempts to define the shift in communities between the two habitats based on the European standard gillnet catch. We sampled the benthic and pelagic habitats from shore to shore in Lake Most and Římov Reservoir (Czech Republic). The 3 m deep pelagic nets were spanned across the water body at equal distances from two boundary points, where the depth was 3.5 m. The benthic community contained more fish, more species, and smaller individuals. The mild sloped littoral with a soft bottom attracted more fish than the sloping bank with a hard bottom and less benthos and large <i>Daphnia</i>. The catch of the pelagic nets was dominated by eurytopic fish—rudd (<i>Scardinius erythrophthalmus</i>) and roach (<i>Rutilus rutilus</i>) in Most and bleak (<i>Alburnus alburnus</i>) in Římov. With the exception of one case where overgrown macrophytes extended the structured habitat, the largest shift from the benthic to the pelagic community was observed only in the first pelagic gillnet above the bottom depth of 3.5 m. Open water catches were relatively constant with small signs of decline towards the middle of the lake. The results indicate that the benthic gillnet catch is representative of a very limited area and volume, while most of the volume is dominated by the pelagic community. This has important consequences for the assessment of the community parameters of the whole lake following the European standards for gillnet sampling design. |
| format |
article |
| author |
Karlos Moraes Allan T. Souza Mojmír Vašek Daniel Bartoň Petr Blabolil Martin Čech Romulo A. dos Santos Vladislav Draštík Michaela Holubová Tomáš Jůza Luboš Kočvara Kateřina Kolářová Josef Matěna Jiří Peterka Milan Říha Zuzana Sajdlová Marek Šmejkal Lobsang Tsering Jan Kubečka |
| author_facet |
Karlos Moraes Allan T. Souza Mojmír Vašek Daniel Bartoň Petr Blabolil Martin Čech Romulo A. dos Santos Vladislav Draštík Michaela Holubová Tomáš Jůza Luboš Kočvara Kateřina Kolářová Josef Matěna Jiří Peterka Milan Říha Zuzana Sajdlová Marek Šmejkal Lobsang Tsering Jan Kubečka |
| author_sort |
Karlos Moraes |
| title |
Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| title_short |
Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| title_full |
Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| title_fullStr |
Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| title_full_unstemmed |
Openness of Fish Habitat Matters: Lake Pelagic Fish Community Starts Very Close to the Shore |
| title_sort |
openness of fish habitat matters: lake pelagic fish community starts very close to the shore |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/ef21501be07847409900704af25bcf7e |
| work_keys_str_mv |
AT karlosmoraes opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT allantsouza opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT mojmirvasek opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT danielbarton opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT petrblabolil opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT martincech opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT romuloadossantos opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT vladislavdrastik opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT michaelaholubova opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT tomasjuza opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT luboskocvara opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT katerinakolarova opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT josefmatena opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT jiripeterka opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT milanriha opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT zuzanasajdlova opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT mareksmejkal opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT lobsangtsering opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore AT jankubecka opennessoffishhabitatmatterslakepelagicfishcommunitystartsveryclosetotheshore |
| _version_ |
1718410129219518464 |