Individual contributions

Ecotoxicological research abroad

Publications

Di Marzio A., Lambertucci S.A., Garcia Fernandez A.J., Martínez-López E. 2019. From Mexico to the Beagle Channel: A review of metal and metalloid pollution studies on wildlife species in Latin America. – Environmental Research 176 (2019): 108462.

 

Entomology research abroad

Aleksandrs Napolovs has been making entomofauna inventory expeditions – since 1989 in Central Asia and Russia’s Far East, since 1996 – in Vietnam, in 2010 – in Greece, in 2011 – in Turkey, in 2012 – in Marocco, in 2013 – in Bulgaria, in 2014 – in Russia’s Far East, in 2015 and 2016 – in Bulgaria and Greece, in 2017 – in Thailand. The materials of these expeditions have been included in scientific publications, and several new species have been discovered, including more than 20 beetle species as well as butterfly and spider species.

Publications (by other authors)

Telnov D., Drumont A. 2020. Revisional notes on Trictenotoma Gray, 1832 (Coleoptera: Trictenotomidae) in Indochina bioregion, with description of a new species. – Annales zoologici (Warszawa), 70(2): 205–227.

Matalin A.V., Wiesner J. 2016. On the distribution and taxonomy of the tiger beetle genus Therates Latreille, 1816 (Coleoptera, Carabidae: Cicindelinae) from Vietnam. – Far Eastern Entomologist 327: 8–13.

 

Entomology research in Latvia – monitoring

In 2016–2017 Santa Ieviņa participated in an invertebrate monitoring at Natura 2000 sites in Latvia by conducting butterfly counts, and from 2018, by mapping habitats of European Union importance in Latvia.

Publications (by other authors)

Vilks K. 2017. Natura 2000 teritoriju bezmugurkaulnieku monitorings 2017. gadā. Starpatskaite. Rīga: Latvijas Entomoloģijas biedrība. 8 lpp. (In Latvian.)

Vilks K. 2016. Natura 2000 teritoriju bezmugurkaulnieku monitorings 2016. gadā. Starpatskaite. Rīga: Latvijas Entomoloģijas biedrība. 10 lpp. (In Latvian.)

 

Entomology research in Latvia – Hermit Beetle

In 2005 Aleksandrs Napolovs and Ilona Roma participated in the development of the threatened Hermit Beetle (Osmoderma eremita) Species Conservation Plan in Latvia. In 2006 they took part in a field study on the species in Latvia, covering a territory of ca. 22 000 km². 104 known Hermit Beetle sites were examined, and the presence of the species was verified at 68 of them. While inspecting 660 potential sites, 49 new Hermit Beetle sites were recorded.

Publications

Рома И.В., Наполов А.В. 2008. Участие Рижского зоосада в программе по охране обыкновенного отшельника Osmoderma eremita (Coleoptera, Scarabaeidae, Cetoniinae) в Латвии (Riga Zoo’s participation in Hermit Beetle Osmoderma eremita (Coleoptera, Scarabaeidae, Cetoniinae) conservation project). – Беспозвоночные животные в коллекциях зоопарков (Материалы Третьего Международного семинара г. Москва, 22–27 октября 2007 г.). Стр. 175–179. Московский зоопарк. (In Russian, with English summary.)

Napolovs A., Roma I. 2007. Bioloģiskās daudzveidības saglabāšana (Conservation of biodiversity). – Rīgas Nacionālais zooloģiskais dārzs. 12.–13. lpp. (In Latvian, with English summary.)

 

Entomology research in Latvia – Reindeer Nose Bot Fly

In 2008 Aleksandrs Napolovs and Ilona Roma took part in a field study on the Reindeer Nose Bot Fly (Cephenemyia trompe) in Latvia. A life-size model of Reindeer was made to serve as a lure. Reindeer urine was used as olfactory bait, and a system was installed inside the model to produce carbon dioxide simulating model's "breath" through its "nostrils".

 

Malacological research in Latvia – Roman Snail

Publications

Dreijers E. 2002. Parka vīngliemeža Helix pomatia L. populācijas struktūras un dinamikas izpēte. Maģistra darbs. Rīga: Latvijas Universitāte. (MSc Thesis, in Latvian.)

 

Research on amphibians abroad

Publications

Di Marzio A., Carrión N.L. 2019. Primer registro de Rhinella rubropunctata (Guichenot, 1848) en la Estepa Patagónica, Provincia de Río Negro, Argentina (Anura: Bufonidae). – Paraguay Biodiversidad 6(1): 1–6. Paraguay: Asunción. (In Spanish.)

 

Research on amphibians in Latvia – European Green Toad

In 2011–2012, staff of Riga Zoo's Department of Amphibians conducted a monitoring in which they searched for European Green Toad (Bufotes viridis) sites in the vicinity of Riga. Five new sites of the species were found.

 

Research of reptiles in Latvia – Smooth Snake

In 2011–2016 Larisa Nikolajeva participated the Smooth Snake (Coronella austriaca) study in Kemeri National Park, and in 2016 in an amphibian and reptile monitoring at Natura 2000 sites in Latvia.

Publications

Čeirāns A., Nikolajeva L. 2017. Habitat ecology of the smooth snake Coronella austriaca and its reptilian prey in the degraded bog with implications for artificial refuge surveys. – Zoology and Ecology 27(1): 19-29.

​Nikolajeva L. 2015. Gludenās čūskas Coronella austriaca populācijas lielums un struktūra Ķemeru nacionālā parka Slokas un Vecajā purvos (The smooth snake Coronella austriaca population size and structure in Ķemeri National Park Slokas and Vecais bogs). Maģistra darbs. Rīga: Latvijas universitāte. (MSc thesis, in Latvian.)

Nikolajeva L., Čeirāns A. 2014. The Smooth Snake Coronella austriaca population size and structure in Kemeri National Park Slokas and Vecais bogs. – Book of abstracts of the 2nd International workshop-conference: Research and conservation of European herpetofauna and its environment: Bombina bombina, Emys orbicularis, and Coronella austriaca. Project LIFE-HerpetoLatvia, 14.–15.08.2014. Daugavpils, Latvia. P. 42.

Čeirāns A., Nikolajeva L. 2014. Study of smooth snake (Coronella austriaca) population in the Slokas Bog, Latvia. – Herpetological Facts Journal 2014 (1): 22-32.

Nikolajeva L. 2013. Gludenās čūskas Coronella austriaca un citu rāpuļu izplatība un apdzīvotie biotopi Ķemeru nacionālā parka Slokas un Vecajā purvos (Smooth snake’s Coronella austriaca and other reptile’s species distribution and habitats in Slokas and Vecais bogs, Kemeri National park, Latvia). Bakalaura darbs. Rīga: Latvijas universitāte. (BSc thesis, in Latvian.)

Čeirāns A. 1997. Gludenās čūskas dzīvesvietas Latvijā un piezīmes par sugas morfoloģiju, izplatību un bioloģiju. Maģistra darbs. Rīga: Latvijas Universitāte. (MSc Thesis, in Latvian.)

 

Research of vultures in Europe

Līga Matsone has participated in a number of studies on wild vulture populations in Europe – the Griffon Vulture (Gyps fulvus) monitoring in Gamla Nature Reserve, Israel, in spring 2000, a study on the Cinereous Vulture (Aegypius monachus) in Grands Causses Regional Nature Park and Cévennes National Park, France, in May–July 2001, and the Cinereous Vulture monitoring in the Dadia-Lefkimi-Soufli Forest National Park, Greece, in May–August, 2002.

Publications

Matsone L. 2004. Baltgalvas grifu monitorings Izraēlā (Monitoring of Griffon Vultures in Israel). –  Putni dabā 14.2: 1719. (In Latvian.)

Matsone L. 2003. Melno grifu monitoringa programma Grieķijā (The Cinereous Vulture monitoring programme in Greece). – Rīgas Nacionālais zooloģiskais dārzs 2002. 74.–75. lpp. (In Latvian, with English summary.)

 

Bird migration studies

Guntis Graubics has been conducting an owl autumn migration monitoring since 1985. In 1985–2004 the study was conducted at Pape Ornithological Station, on the east coast of Baltic Sea, and since 2005 – in Salacgrīva, on east cost of the Gulf of Riga. The study focuses on the dynamics of the numbers, age and sex ratio of the migrating owls, as well as migration phenology. Riga Zoo supported the creation of an innovative device enabling visual observations of migrating birds at night.

Publications

Graubics G. 2003. Ausainās pūces rudens migrāciju pētījumu 18 gadi (18 years of Long-eared owl migration study). – Rīgas Nacionālais zooloģiskais dārzs 2002. 70.–73. lpp. (In Latvian, with English summary.)

Graubics G., Keišs O. 2002. Pūču ķeršana Papē: īsa vēsture un sekmes 2002. gadā (Catching owls in Pape: short history and success in 2002). – Putni dabā 12.4: 28–29. (In Latvian.)

Baumanis J., Celmiņš A., Graubics G., Kazubiernis J., Roze V. 2000. Putnu rudens migrācija Papē 1999. gadā (Autumn bird migration at Pape in 1999). – Putni dabā 10.3: 2–11. (In Latvian, with English summary.)

Baumanis J., Graubics G., Kazubiernis J. 2000. Putnu rudens migrācija Papē 1998. gadā (Autumn bird migration at Pape in 1998). – Putni dabā 9.3-4: 42–50. (In Latvian, with English summary.)

 

Research of populations of wild birds in Latvia

Several Zoo employees participated as volunteers in data collection for breeding bird atlases carried out in Latvia.

■ Currently data are collected for the Third Latvian Breeding Bird Atlas (2020–2024).

■ The Second European Breeding Bird Atlas (2013–2017) – Elīna Gulbe (1851 records), Kārlis Sīlis (15) and Alessandro Di Marzio (1).

■ The Second Latvian Breeding Bird Atlas (2000–2004) – Guntis Graubics (5 fieldwork forms filled), Kārlis Sīlis (2) and Māris Lielkalns (1).

■ The First European Breeding Bird Atlas (1985–1989) – Elīna Gulbe (35 fieldwork forms filled), Ingmārs Līdaka (26), Guntis Graubics (18) and Līga Matsone (1).

■ The First Latvian Breeding Bird Atlas (1980–1984) – Elīna Gulbe (28 fieldwork forms filled), Guntis Graubics (26) and Ingmārs Līdaka (21).

Publications (by other authors)

Ķerus V., Dekants A., Auniņš A., Mārdega I. 2021. Latvijas ligzdojošo putnu atlanti 1980–2017 (Breeding Bird Atlases in Latvia, 1980–2017). Rīga: Latvijas Ornitoloģijas biedrība.

Keller V., Herrando S., Vorísek P., Rodríguez-Franch M., Kipson M., Milanesi P., Marti D., Anton M., Klvanova A., Kalyakin M.V., Bauer H.G., Foppen R.P.B. 2020. European Breeding Bird Atlas 2: Distribution, Abundance and Change. Barcelona: Bird Census Council & Lynx Edicions.

Hagmeijer E.J.M., Blair M.J. (eds.) 1997. The EBBC Atlas of European Breeding Birds: Their Distribution and Abundance. London: T & AD Poyser.

Priednieks J., Strazds M., Strazds A., Petriņš A. 1989. Latvijas ligzdojošo putnu atlants 1980–1984 (Latvian Breeding Bird Atlas 1980–1984). Rīga: Zinātne.

 

Research of wild ungulates in Latvia

Publications

Lange I. 2006. Ziemas ekskrementu metodes izmantošanas iespējas briežu dzimtas dzīvnieku populāciju pētījumos. Maģistra darbs. Rīga: Latvijas Universitāte. (MSc Thesis, in Latvian.)

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