Orhideje: Skromne, Nevjerojatne, Očaravajuće!

2023. na Hvaru otkrivena su dva lokaliteta orhideja od strane gostujućih stručnjaka iz Zagreba, koji su pronašli endem Ophrys pharia i Himantoglossum robertianum.

Ophrys pharia, „Forka” Ophrys pharia, „Forka” Photo courtesy of Berislav Horvatić & Ljiljana Borovečki-Voska

Hrvatske divlje orhideje nisu spektakularne vrste poput onih iz tropskih krajeva. Iako cijenjene među ljubiteljima prirode, prečesto lokalnom stanovništvu prolaze neprimijećeno. Rezultat toga je nemarno uništavanje orhideja i njihovih staništa, posebno kroz ekstenzivnu uporabu herbicida. Ljiljana Borovečki-Voska je vrhunska botaničarka, po profesiji nastavnica. Njezin suprug Berislav Horvatić bio je viši znanstveni suradnik na Institutu za fiziku u Zagrebu, a nakon umirovljenja posvetio je velik dio svog vremena, ali i znanstvene stručnosti proučavanju orhideja zajedno sa svojom suprugom.

Ophrys pharia. Fotografija: Berislav Horvatić i Ljiljana Borovečki-Voska

Ophrys pharia bila je godinama nedohvatljiva. Berislav i Ljiljana znali su da je Ophrys pharia specifična za Hvar: opisali su je P. Devillers i J. Devillers-Terschuren u časopisu Naturalistes Belges (vol. 85: 233) 2004. godine, a fotografirali su je u blizini sela Vrbanj u središnjem dijelu Hvara u travnju 2007. godine.

Ophrys pharia. Fotografija: Berislav Horvatić i Lijljana Borovečki-Voska

Prije 2004. godine, Ophrys pharia bila je opisana kao podvrsta. Kada su 29. travnja 2023. krenuli u potragu za Ophrys phariu na Hvaru, bili su svjesni da će to biti zastrašujući izazov, možda čak i 'nemoguća misija'. Ophrys pharia opisana je na web stranici „Orchids of Britain and Europe“: „Ovo je veoma ugrožena vrsta, za koju se smatralo da je ne samo endem za Hrvatsku, već specifično za otok Hvar, gdje sve agresivnije poljoprivredne metode smanjuju stanište dostupno ovoj vrsti koju sada postaje izuzetno teško pronaći, čak i na njenim nekadašnjim uporištima oko Vrboske, u središnjem dijelu otoka.“

Ophrys pharia u polju. Fotografija: Berislav Horvatić i Ljiljana Borovečki-Voska

Kada se ugleda sitne orhideje stisnute među ostalim divljim cvijećem, bude sasvim jasno zašto je potrebna stručna makrofotografija kako bi se potvrdilo opažanje rijetkih vrsta!

Ophrys pharia u prirodi. Fotografija: Berislav Horvatić i Ljiljana Borovečki-Voska

Još važnije, značajke po kojima se razlikuju pojedine orhideje od drugih, često su vrlo suptilni detalji, što naravno čini orhideje tako fascinantnim i izazovnim biljkama za proučavanje.

Berislav slika orhideje.

Pravi stručnjaci poput Ljiljane (kojih je naravno vrlo malo) godinama strpljivo promatraju orhideje kako bi mogli sa sigurnošću identificirati različite vrste. Ophrys pharia križa se s Ophrys rhodostephane i ti hibridi su izuzetno rijetki.

Hibrid ophrys pharia x ophrys rhodostephane. Foto: Berislav Horvatić i Ljiljana Borovečki-Voska
Hibridi. Foto: Berislav Horvatić i Ljiljana Borovečki-Voska

Ophrys rhodostephane se izrazito razlikuje od Ophrys pharia te obiluje u Dalmaciji, a i na Hvaru. Vrijedan savjet Berislava: „najbolji i najlakši način da ih vidite mnogo je spora vožnja starom cestom između Brusja i Selca - naravno, u pravo doba godine. Neasfaltirana cesta kroz Rovan je također izvrsna.“ 

Ophrys rhodostephane. Foto: Berislav Horvatić i Ljiljana Borovečki-Voska

Nizozemski stručnjak za orhideje Frank Verhart proučavao je orhideje tijekom nekoliko posjeta Hvaru, no nije ugledao Ophrys phariu, da bi na kraju Berislav i Ljiljana u roku od tri dana pronašli ništa manje od devet primjeraka u okolici Vrbanja! Poput Franka Verharta i drugih botaničara, odmah su podijelili svoja otkrića s hrvatskom bazom podataka Flora Croatica Database. Pronalazak Himantoglossum robertianum (sin. Barlia robertiana) bio je neočekivani bonus, kako prethodno nije bio zabilježen na Hvaru.

Himantoglossum robertianum. Foto: Berislav Horvatić i Ljiljana Borovečki-Voska

Pronalazač je zapravo bio lokalni stanovnik Antun Vranković Bili iz sela Svirče. Iako se vrsta teško pronašla, nakon otkrića, Ljiljana i Berislav odmah su je identificirati. Prvobitno je viđena na području Rovana blizu Svirača. Ljiljana i Berislav su kasnije pronašli još jedan primjerak u masliniku ispod Pitava, zbog čega su zaključili da na otoku ima još primjeraka, iako rijetkih.

Antun Vranković Bili. Foto: Berislav Horvatić i Ljiljana Borovečki-Voska

Kako bi proslavili da Ophrys pharia nije izumrla na Hvaru, Berislav i Ljiljana su zabilježili svoje povijesno otkriće na šalicama kao trajni suvenir! 

Slavljeničke šalice. Fotografija: Berislav Horvatić i Ljiljana Borovečki-Voska

Izuzetno smo zahvalni Berislavu Horvatiću i Ljiljani Borovečki-Voska što su s nama podijelili neprocjenjive informacije o svom uspješnom terenskom putovanju na Hvar 2023. godine, kao i na dopuštenju da koristimo njihove tekstove i fotografije. Njihova predanost je od iznimne pomoći u kampanji podizanja svijesti o detaljima predivnih prirodnih resursa Hrvatske, kako bi ih očuvali i njegovali za buduće generacije. 

Ljiljana Borovečki-Voska autorica je knjige „Orhideje na Strahinjščici i susjednim područjima“, u nakladi Alfa, 2010. godine.

Relevantni članci:

Ljiljana Borovečki-Voska, Berislav Horvatic. 2020.  Orhidejski hibridi (Orchidaceae) na otoku Krku. Orchid hybrids (Orchidceae) on the Island of Krk. Glasnik hrvatskog botaničkog društva. (Article in Croatian)

Frank Verhart: Orchid observations in Croatia in 2017 and 2018: https://drive.google.com/file/d/1tqx1iIJUFLN8H7LJlFTkvlD6YhdzfsmJ/edit

Frank Verhart: 2017. Orchids on Pelješac. Eco Hvar website.

Frank Verhart. Orchid observations in Croatia in 2019. http://www.franknature.nl/Verhart%20orchid%20observations%20in%20Croatia%20in%202019.pdf

Grace Brewer. February 2024. Sneaky orchids and their pollination tricks. Royal Botanic Gardens, Kew, Blog article.

© Vivian Grisogono 2024.
Prijevod: Josip Vlainić

 

 

Nalazite se ovdje: Home Novosti iz prirode Orhideje: Skromne, Nevjerojatne, Očaravajuće!

Eco Environment News feeds

  • Vast journeys, among world’s great wonders, found to be under threat as freshwater fish populations crash by 81%

    “It’s very hard to imagine what’s going on beneath the water when you look at a river – but you have billions of fish making these epic migrations, some of the largest animal migrations on Earth,” said Dr Zeb Hogan, at the University of Nevada in the US.

    The longest migration of any freshwater fish species is that of the dorado catfish, which makes a migration of 7,000 miles (11,000km), from spawning in the foothills of the Andes to feeding in the Amazon estuary and back again. The silver-gold fish themselves were incredible, said Hogan: “They get to about 2 metres long.”

    Continue reading...

  • Ed Miliband says only clean power will provide ‘energy sovereignty’ amid opposition calls for oil and gas expansion

    Ministers have said expanding North Sea drilling would put the UK at further risk from volatile fossil fuel markets, amid calls from the Conservatives and some Labour MPs to breach the manifesto pledge of no new oil and gas licences.

    The energy minister Michael Shanks said the UK was “learning the right lessons from this conflict so that we’re not exposed to fossil fuels in the same way again, because this isn’t the first time that households across the country have paid the price of our exposure to gas”.

    Continue reading...

  • The fishery is regulated but experts say it is wrecking the food chain. Gordon Peake joined a Sea Shepherd mission to observe the giant ships compete for catch

    It is bitterly cold on the deck of the Allankay and the bosun, Luca Massari, is checking that none of us are wearing contact lenses before we descend into Antarctic waters. There is a risk, he warns, that lenses will freeze solid over the eyes. Massari himself is prepared for his surroundings. He is wearing thick goggles that make him look like an Olympic ski jumper.

    Massari is a burly, heavily tattooed veteran of the environmental organisation Sea Shepherd, which campaigns against exploitating the oceans. His deck team are preparing to launch the ship’s small boat, which Massari will helm. Eight of us are bundled in bright red dry suits, helmets and lifejackets; the average time to survive hypothermia in this wind-whipped water is just five minutes.

    The Allankay sailed to Coronation Island from New Zealand to document the krill fishing. Photograph: Alice Bacou/Sea Shepherd

    Continue reading...

  • Exclusive:Pacific island’s new leader Lord Fakafānua discusses ‘exciting’ US partnership as critics fear impacts of seabed exploration

    The recently elected leader of Tonga has described a deal to partner with the US on deep-sea mineral exploration as an “exciting development” amid concern in the small Pacific nation over the practice of seabed mining and the potential environmental impact.

    Tonga is located in the South Pacific Ocean, a region attracting growing interest over whether critical minerals buried in the seabed could be extracted to help power industries and green technologies.

    Continue reading...

  • Declan Conlon will argue officials have failed to act despite clear evidence of the ecological collapse of Lough Neagh

    An eel fisher is to argue at the high court in Belfast that the authorities have allowed the ecological collapse of Lough Neagh by failing to take action over pollution.

    Declan Conlon, whose family have for generations fished the inland lake in Northern Ireland that once hosted the largest wild eel fishery in Europe, is seeking to take a judicial review against the Department of Agriculture, Environment and Rural Affairs (Daera). He will argue the department has failed to act against polluters despite clear evidence of the ecological collapse of the lake.

    Continue reading...

  • When James Prescott Joule lent his name to a unit of energy, he could not have foreseen today’s alarming calculations

    The primary unit of climate collapse is the zettajoule. If you have never heard of this term, you are not alone. Even scientists who work on a planetary scale struggle to relate the immensity of the change measured by this titanic unit of energy.

    Continue reading...

  • Trump administration announces deal with TotalEnergies to redirect investment in wind to oil and gas instead

    As a fuel crisis triggered by the war in Iran drives up global fossil fuel prices, the Trump administration has announced it will pay French energy major TotalEnergies $1bn to kill plans to construct wind farms off the US east coast.

    The deal is the latest blow to the US offshore wind industry, which has faced repeated disruptions to multi-billion-dollar projects under Donald Trump.

    Continue reading...

  • Sixty years after the discovery of a colony of Juan Fernández fur seals, previously thought to be extinct, a landmark agreement extends ‘no take’ zone around the wildlife-rich archipelago

    Six decades ago, pioneering oceanographer and conservationist Sylvia Earle made a bittersweet discovery while diving off Chile’s oceanic islands with the US National Science Foundation vessel, the Anton Bruun. She found the remains of a baby fur seal, one of the world’s most isolated aquatic mammals.

    Endemic to the Juan Fernández archipelago, in the Pacific Ocean, and once prized for its fur and meat, the species, Arctocephalus philippii, was believed to have been hunted to extinction in the 19th century. But, Earle said: “A baby must have a mum and dad somewhere.”

    Pioneering oceanographer and conservationist Sylvia Earle. Photograph: Andy Mann/Blue Marine Foundation

    Continue reading...

  • Residents reported headaches, eye and skin irritation and breathing difficulties as Israeli bombings blanketed Tehran with pollutants

    Satellite images of Tehran show toxic fires caused by Israeli bombings on oil depots were still burning days after the strikes, which have caused fears of serious health complications for millions of residents in the Iranian capital.

    Clouds of smoke from bombings on 7 March on multiple facilities blanketed the city with pollutants ranging from soot to oil particles to sulphur dioxide. Hours later, a passing storm showered Tehran with poisonous, oil-filled rain.

    Continue reading...

  • The whole ecosystem inside a cave feeds off guano, dead bats, or any dead animals on the ground. It’s not for the faint-hearted

    It can be daunting entering a cave. It is an underground world that possibly hasn’t been explored before. The first smell that hits you is guano (or bat poo). Some of these caves host millions of bats – you can hear them chirping above, hanging in the darkness, and occasionally flying around. It always seems like night-time inside a cave because it’s pitch black.

    The walls are covered in interesting creatures such as tailless whip scorpions, which look like a cross between a spider and crab (they look dangerous, but are not), as well as millipedes and centipedes. The whole ecosystem feeds off guano, dead bats, or any dead animals on the ground. It’s not for the faint-hearted.

    Continue reading...

Novosti: Cybermed.hr

Novosti: Biologija.com

Izvor nije pronađen