{"doi":"10.1002/iroh.19920770310","title":"<i>In situ</i> Development of Perch Eggs, <i>Perca fluviutilis</i> L. (Pisces, Percidae) in a Small Eutrophic Lake, Lake Plussee, Holstein, Germany","abstract":"<jats:title>Abstract</jats:title><jats:p>Naturally spawned egg strands of perch, <jats:italic>Perca fluviatilis</jats:italic> L. were sampled from exposed fir trees submerged in Lake Plußsee, Holstein, Northern Germany from April to May 1989. These were incubated <jats:italic>in situ</jats:italic> and in the laboratory to estimate the viability, development and abnormalities of the embryos. From the <jats:italic>in siru</jats:italic> incubated eggs 91.6% embryos were viable, the nonviable portion comprising 1.1 % unfertilized eggs, 5.1 % dead and 2.2 % with abnormalities. As compared to the eggs incubated in the laboratory with 84.1 % viable embryos, the nonviable portion consisting 1.1 % unfertilized eggs, 11.3 % dead and 3.5 % with abnormalities. Incubation rate of <jats:italic>P. fluviatilis</jats:italic> embryos both <jats:italic>in situ</jats:italic> and laboratory, ranged from 200‐210 ATUs (10°C <jats:italic>in situ</jats:italic> and 8°C in the laboratory) with incubation period of 20‐27 days from fertilization to 50 % hatching.</jats:p>","journal":"Internationale Revue der gesamten Hydrobiologie und Hydrographie","year":1992,"id":675581,"datarank":0.953223380874999,"base_score":2.4849066497880004,"endowment":2.4849066497880004,"self_citation_contribution":0.37273599746820013,"citation_network_contribution":0.580487383406799,"self_endowment_contribution":0.37273599746820013,"citer_contribution":0.580487383406799,"corpus_percentile":null,"corpus_rank":null,"citation_count":11,"citer_count":11,"citers_with_citation_signal":10,"citers_with_endowment":10,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1765171,"name":"Hans‐Hermann Arzbach","orcid":null,"position":1,"is_corresponding":false},{"id":1765173,"name":"Erich Braum","orcid":null,"position":2,"is_corresponding":false},{"id":1765169,"name":"Mario R. Delos Reyes","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"<i>In situ</i> Development of Perch Eggs, <i>Perca fluviutilis</i> L. (Pisces, Percidae) in a Small Eutrophic Lake, Lake Plussee, Holstein, Germany","abstract":"<jats:title>Abstract</jats:title><jats:p>Naturally spawned egg strands of perch, <jats:italic>Perca fluviatilis</jats:italic> L. were sampled from exposed fir trees submerged in Lake Plußsee, Holstein, Northern Germany from April to May 1989. These were incubated <jats:italic>in situ</jats:italic> and in the laboratory to estimate the viability, development and abnormalities of the embryos. From the <jats:italic>in siru</jats:italic> incubated eggs 91.6% embryos were viable, the nonviable portion comprising 1.1 % unfertilized eggs, 5.1 % dead and 2.2 % with abnormalities. As compared to the eggs incubated in the laboratory with 84.1 % viable embryos, the nonviable portion consisting 1.1 % unfertilized eggs, 11.3 % dead and 3.5 % with abnormalities. Incubation rate of <jats:italic>P. fluviatilis</jats:italic> embryos both <jats:italic>in situ</jats:italic> and laboratory, ranged from 200‐210 ATUs (10°C <jats:italic>in situ</jats:italic> and 8°C in the laboratory) with incubation period of 20‐27 days from fertilization to 50 % hatching.</jats:p>","is_dataset_classified":null,"base_score":2.4849066497880004,"endowment":2.4849066497880004,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"26207759","pmcid":null,"openalex_id":"https://openalex.org/W2094123416","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.17065913,"influential_citations":0,"citation_trend":[{"year":2015,"count":1},{"year":2016,"count":2},{"year":2018,"count":1},{"year":2021,"count":1}],"oa_status":"closed","license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Firoh.19920770310","host_type":"publisher"},{"url":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/iroh.19920770310","host_type":"publisher"},{"url":"https://doi.org/10.1002/iroh.19920770310","host_type":"journal"}],"fields_of_study":["Fish Ecology and Management Studies","Aquatic Ecosystems and Phytoplankton Dynamics","Reproductive biology and impacts on aquatic species"],"mesh_terms":[],"keywords":["Perch","Percidae","Hatching","Incubation","Biology","Animal science","Human fertilization","In situ","Incubation period","Embryo","Fishery","Eutrophication","Fish <Actinopterygii>","Ecology","Anatomy","Chemistry","Nutrient","Biochemistry"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Life below water"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-17T01:24:53.758088Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}