Balaton Limnological Research Institute (BLRI)

Established in 1927, the Tihany-based institute, now known as the HUN-REN Balaton Limnological Research Institute (HUN-REN BLRI), is the country's largest biological research institute with a long history, and is a key research centre for the protection of water quality and fish management in Lake Balaton. Its main task is environmental research in freshwaters. We focus on the biota of Lake Balaton and its catchment, its spatial and temporal variations, life processes, metabolic characteristics and the local and global processes, environmental factors and human impacts that affect them. The Institute also carries out basic and applied research related to the international conventions in force on the protection of aquatic habitats, biodiversity and water quality. We are actively involved in and open to further collaborations with the scientific and economic communities in the field of scientific and research development, both nationally and internationally.

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1 to 10 of 23 Results

Long-term chlorophyll a concentrations in Lake Balaton (1965–2025) Mar 26, 2026 - Water chemistry and algology (BLRI) Somogyi, Boglárka, 2026, "Long-term chlorophyll a concentrations in Lake Balaton (1965–2025)", https://hdl.handle.net/21.15109/ARP/ATDTAE, ARP, V1 This dataset contains chlorophyll a concentration values measured by the HUN-REN Balaton Limnological Research Institute at two sampling sites located in Lake Balaton.
Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton Mar 26, 2026 - Water chemistry and algology (BLRI) Horváth, Hajnalka, 2026, "Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton", https://hdl.handle.net/21.15109/ARP/8LLWU4, ARP, V1 This dataset contains measurements of total and dissolved nutrient concentrations (NH₄–N, NO₃–N, urea–N, TDN, TN, SRP, TDP, TP) collected in Lake Balaton between 1985 and 2025 (with significant gaps). The data represent monitoring results from two basins: the Siófok Basin (EOV X: 175982; EOV Y: 564770) and the Keszthely Basin (EOV X: 156046; EOV Y:...
Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake Mar 25, 2026 - Fish projects (BLRI) Pallos, Réka; Bánó, Bálint; Takács, Péter, 2026, "Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake", https://hdl.handle.net/21.15109/ARP/UMUIYT, ARP, V1 This dataset contains photographic data used to study parasitism in European perch (Perca fluviatilis) from Lake Balaton. We analyzed photographs to determine the location of parasites on the perch’s body, investigating both the prevalence and also the spatial distribution of Apophallus donicus in Lake Balaton. Additionally, we created a Hungarian...
Effects of gravidity on preferred body temperature and thermal performance curves of two Lacertid lizards (Lacerta viridis and Podarcis tauricus) with different reproductive strategies Mar 3, 2026 - Herpetology projects (BLRI) Mészáros, Boglárka; Jordán, Lilla; Molnár, Orsolya, 2026, "Effects of gravidity on preferred body temperature and thermal performance curves of two Lacertid lizards (Lacerta viridis and Podarcis tauricus) with different reproductive strategies", https://hdl.handle.net/21.15109/ARP/5ZOBCE, ARP, V1 Dataset of a thermal prformance experiment on Lacerta viridis and Podarcis tauricus females.
A Balaton téli oxigénhiányos állapotáról és a halpusztulásról - Állásfoglalás 4. Jan 30, 2026 - BalatonScience Vasas, Gábor; Specziár, András, 2026, "A Balaton téli oxigénhiányos állapotáról és a halpusztulásról - Állásfoglalás 4.", https://hdl.handle.net/21.15109/ARP/VUFVDR, ARP, V1 A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a Balaton déli partján létesített kikötők ökológiai kockázatairól: a téli oxigénhiányos állapotokról és halpusztulásról.
Az invazív fajok terjedéséről a Balatonban - Állásfoglalás 3. Jan 30, 2026 - BalatonScience Vasas, Gábor; Takács, Péter, 2026, "Az invazív fajok terjedéséről a Balatonban - Állásfoglalás 3.", https://hdl.handle.net/21.15109/ARP/4FMTYI, ARP, V1 A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a kedvtelésből tartott élőlények természetbe engedésének veszélyeiről és az invazív fajok terjedéséről.
A Balaton vízszintjének ingadozásáról - Állásfoglalás 2. Jan 30, 2026 - BalatonScience Vasas, Gábor; Boros, Gergely, 2026, "A Balaton vízszintjének ingadozásáról - Állásfoglalás 2.", https://hdl.handle.net/21.15109/ARP/ES9LIM, ARP, V1 A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a Balaton vízszintjének ingadozásáról.
A balatoni nádasok áttelepítésének kockázatairól - Állásfoglalás 1. Jan 30, 2026 - BalatonScience Vasas, Gábor; Tóth, Viktor, 2026, "A balatoni nádasok áttelepítésének kockázatairól - Állásfoglalás 1.", https://hdl.handle.net/21.15109/ARP/T7VYEP, ARP, V1 A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai álláspontja a nádasok áttelepítésének kérdéséről.
Monitoring of wintering population of Great Cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary Jan 5, 2026 - Birds (BLRI) Preiszner, Bálint, 2026, "Monitoring of wintering population of Great Cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary", https://hdl.handle.net/21.15109/ARP/KTUH8Z, ARP, V1 This is the monitoring data of wintering population of great cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary. Data is recorded monthly from November to February since 2021 by census.
Replication Data for: Scavenging behaviour and size‐dependent carcass consumption of the black bullhead (Ameiurus melas) Dec 17, 2025 - Fish projects (BLRI) Preiszner, Bálint, 2025, "Replication Data for: Scavenging behaviour and size‐dependent carcass consumption of the black bullhead (Ameiurus melas)", https://hdl.handle.net/21.15109/ARP/FDSAC9, ARP, V1 The dataset describes laboratory observations of size-dependent scavenging behaviour in black bullhead (Ameiurus melas). It includes activity patterns recorded by video cameras under day and night conditions, comparing different size classes of individuals. The data capture scavenging efficiency and feeding sequences on carcasses of two fish specie...

Long-term chlorophyll a concentrations in Lake Balaton (1965–2025)

Mar 26, 2026 - Water chemistry and algology (BLRI)

Somogyi, Boglárka, 2026, "Long-term chlorophyll a concentrations in Lake Balaton (1965–2025)", https://hdl.handle.net/21.15109/ARP/ATDTAE, ARP, V1

This dataset contains chlorophyll a concentration values measured by the HUN-REN Balaton Limnological Research Institute at two sampling sites located in Lake Balaton.

Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton

Mar 26, 2026 - Water chemistry and algology (BLRI)

Horváth, Hajnalka, 2026, "Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton", https://hdl.handle.net/21.15109/ARP/8LLWU4, ARP, V1

This dataset contains measurements of total and dissolved nutrient concentrations (NH₄–N, NO₃–N, urea–N, TDN, TN, SRP, TDP, TP) collected in Lake Balaton between 1985 and 2025 (with significant gaps). The data represent monitoring results from two basins: the Siófok Basin (EOV X: 175982; EOV Y: 564770) and the Keszthely Basin (EOV X: 156046; EOV Y:...

Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake

Mar 25, 2026 - Fish projects (BLRI)

Pallos, Réka; Bánó, Bálint; Takács, Péter, 2026, "Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake", https://hdl.handle.net/21.15109/ARP/UMUIYT, ARP, V1

This dataset contains photographic data used to study parasitism in European perch (Perca fluviatilis) from Lake Balaton. We analyzed photographs to determine the location of parasites on the perch’s body, investigating both the prevalence and also the spatial distribution of Apophallus donicus in Lake Balaton. Additionally, we created a Hungarian...

Effects of gravidity on preferred body temperature and thermal performance curves of two Lacertid lizards (Lacerta viridis and Podarcis tauricus) with different reproductive strategies

Mar 3, 2026 - Herpetology projects (BLRI)

Mészáros, Boglárka; Jordán, Lilla; Molnár, Orsolya, 2026, "Effects of gravidity on preferred body temperature and thermal performance curves of two Lacertid lizards (Lacerta viridis and Podarcis tauricus) with different reproductive strategies", https://hdl.handle.net/21.15109/ARP/5ZOBCE, ARP, V1

Dataset of a thermal prformance experiment on Lacerta viridis and Podarcis tauricus females.

A Balaton téli oxigénhiányos állapotáról és a halpusztulásról - Állásfoglalás 4.

Jan 30, 2026 - BalatonScience

Vasas, Gábor; Specziár, András, 2026, "A Balaton téli oxigénhiányos állapotáról és a halpusztulásról - Állásfoglalás 4.", https://hdl.handle.net/21.15109/ARP/VUFVDR, ARP, V1

A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a Balaton déli partján létesített kikötők ökológiai kockázatairól: a téli oxigénhiányos állapotokról és halpusztulásról.

Az invazív fajok terjedéséről a Balatonban - Állásfoglalás 3.

Jan 30, 2026 - BalatonScience

Vasas, Gábor; Takács, Péter, 2026, "Az invazív fajok terjedéséről a Balatonban - Állásfoglalás 3.", https://hdl.handle.net/21.15109/ARP/4FMTYI, ARP, V1

A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a kedvtelésből tartott élőlények természetbe engedésének veszélyeiről és az invazív fajok terjedéséről.

A Balaton vízszintjének ingadozásáról - Állásfoglalás 2.

Jan 30, 2026 - BalatonScience

Vasas, Gábor; Boros, Gergely, 2026, "A Balaton vízszintjének ingadozásáról - Állásfoglalás 2.", https://hdl.handle.net/21.15109/ARP/ES9LIM, ARP, V1

A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai állásfoglalása a Balaton vízszintjének ingadozásáról.

A balatoni nádasok áttelepítésének kockázatairól - Állásfoglalás 1.

Jan 30, 2026 - BalatonScience

Vasas, Gábor; Tóth, Viktor, 2026, "A balatoni nádasok áttelepítésének kockázatairól - Állásfoglalás 1.", https://hdl.handle.net/21.15109/ARP/T7VYEP, ARP, V1

A HUN-REN Balatoni Limnológiai Kutatóintézet szakmai álláspontja a nádasok áttelepítésének kérdéséről.

Monitoring of wintering population of Great Cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary

Jan 5, 2026 - Birds (BLRI)

Preiszner, Bálint, 2026, "Monitoring of wintering population of Great Cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary", https://hdl.handle.net/21.15109/ARP/KTUH8Z, ARP, V1

This is the monitoring data of wintering population of great cormorant (Phalacrocorax carbo) at Lake Balaton, Hungary. Data is recorded monthly from November to February since 2021 by census.

Replication Data for: Scavenging behaviour and size‐dependent carcass consumption of the black bullhead (Ameiurus melas)

Dec 17, 2025 - Fish projects (BLRI)

Preiszner, Bálint, 2025, "Replication Data for: Scavenging behaviour and size‐dependent carcass consumption of the black bullhead (Ameiurus melas)", https://hdl.handle.net/21.15109/ARP/FDSAC9, ARP, V1

The dataset describes laboratory observations of size-dependent scavenging behaviour in black bullhead (Ameiurus melas). It includes activity patterns recorded by video cameras under day and night conditions, comparing different size classes of individuals. The data capture scavenging efficiency and feeding sequences on carcasses of two fish specie...

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