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Determination of the Effects of Mucilage on Seagrass Posidonia oceanica in Çanakkale Strait

Year 2023, Volume: 8 Issue: 4, 764 - 772, 31.12.2023

İlknur Ak Cahide Çiğdem Yığın Adnan Ayaz Uğur Altınağaç Alkan Öztekin Yusuf Şen Koray Cabbar Melis Yılmaz Gençtan Erman Uğur Özge Özgür Sibel Atak Damla Korkut

https://doi.org/10.35229/jaes.1226546

Abstract

In the Marmara Sea and Turkish Straits Systems in 2021, an event called mucilage, which consists of extracellular polysaccharides, occurred due to the excessive proliferation of microalgae, which plays an essential role in primary production depending on the water temperature. Considering the size of the area where it took place and the number of affected living communities, our country has taken its place in history as the most significant environmental disaster in marine areas. For this reason, it is crucial to determine the situation of the seagrass meadows distributed in the Dardanelles after this event. Within the scope of the study, the status of P. oceanica meadows distributed in Dardanos, Çanakkale Strait was determined, phenological and lepidochronological studies were carried out and "Ecological Quality ratios" were determined according to the BiPo index. As a result of the study, it has been determined that the lower limit of seagrass, distributed in the Dardanos region in the last eight years, has decreased by about 1.4 m and spread to a depth of 15.6 m. In addition, while Caulerpa racemosa, one of the green algae, was extensively distributed in the lower limit borders of seagrass meadows in 2014, the presence of red algae belonging to the Ceremiales order in the lower limit borders of our study was remarkable. The ecological quality ratios obtained according to the BiPo index varied between 0.30 and 0.20. As a result of the study, based on this index, the condition of the P. oceanica meadows in the Dardanos region was determined as "bad" after the mucilage event, and it is essential to create action plans for the protection of the meadows in this region.

Keywords

Çanakkale seagrasses ecological index musilage Posidonia oceanica

Project Number

121G087

References

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Müsilajın Çanakkale Boğazı’nda Dağılım Gösteren Posidonia oceanica Çayırlarına Etkisi

Year 2023, Volume: 8 Issue: 4, 764 - 772, 31.12.2023

İlknur Ak Cahide Çiğdem Yığın Adnan Ayaz Uğur Altınağaç Alkan Öztekin Yusuf Şen Koray Cabbar Melis Yılmaz Gençtan Erman Uğur Özge Özgür Sibel Atak Damla Korkut

https://doi.org/10.35229/jaes.1226546

Abstract

2021 yılı içerisinde Marmara Denizi ve Türk Boğazlar Sistemlerinde, su sıcaklığına bağlı olarak birincil üretimde önemli rol oynayan mikro alglerin aşırı çoğalması sonucunda hücre dışı polisakkaritlerden oluşan Müsilaj adı verilen bir olay meydana gelmiştir. Gerçekleştiği alanın büyüklüğü ve etkilenen canlı topluluklarının sayısı dikkate alındığında ülkemiz denizel alanlarında gerçekleşen en büyük çevre felaketi olarak tarihte yerini almıştır. Bu nedenle Çanakkale Boğazı’nda dağılım gösteren deniz çayırlarının bu olaydan sonra durum tespiti önem taşımaktadır. Çalışma kapsamında Çanakkale Boğazı, Dardanos mevkiinde dağılım gösteren P. oceanica çayırlarının mevcut durumu belirlenerek, fenolojik ve lepidokronolojik çalışmaları yapılmış ve BiPo indeksine göre “Ekolojik Kalite oranları” belirlenmiştir. Çalışma sonucunda son sekiz yılda Dardanos bölgesinde dağılım gösteren deniz çayırı alt limitinin yaklaşık 1,4 m gerileyerek 15,6 m derinliğe kadar dağılım gösterdiği tespit edilmiştir. Ayrıca 2014 yılında deniz çayırlarının alt limit sınırlarında yeşil alglerden Caulerpa racemosa yoğun olarak dağılım gösterirken gerçekleştirdiğimiz çalışmada alt limit sınırlarında Ceremiales takımına ait kırmızı alglerin varlığı dikkat çekmiştir. BiPo indeksine göre elde edilen ekolojik kalite oranları 0,30- 0,20 arasında değişim göstermiştir. Çalışma sonucunda, bu indekse dayanarak Dardanos bölgesindeki P. oceanica çayırlarının müsilaj olayından sonra durumu "kötü" olarak belirlenmiş olup bu bölgedeki çayırların korunması yönelik eylem planlarının oluşturulması önem arz etmektedir.

Keywords

Çanakkale deniz çayırları ekolojik indeks müsilaj Posidonia oceanica

Supporting Institution

TUBİTAK

Project Number

121G087

Thanks

Bu çalışma TUBİTAK tarafından 121G087 numaralı “Müsilajın Posidonia oceanica Çayırları ile Balık Tür Çeşitliliğine Etkilerinin Belirlenmesi ve Restorasyon” isimli proje ile desteklemiştir

References

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  • Akçalı, B., Bizsel, K.C., Kabaoğlu, G., Güçlüsoy, H. & Alaçam, Ö. (2008). Preliminary study of monitoring seagrasses (Posidonia oceanica) in Foça's Special Environmental Protected Area. 12. Underwater and Science Technologies Meeting, Ege University, 69- 75.
  • Akçalı, B., Alan, V., Birzsel, C., Bengil, F., Kavcıoğlu, R., Kobaoğlu, G. & Güçlüsoy, H. (2015). Posidonia oceanica L. (Delile) Sualtı Araştırma İstasyonu Kurulumu ve İzlenmesi: Aliağa Star Rafinerisi Örneği. 18. Sualtı Bilim ve Teknolojisi Toplantısı, İzmir, Bildiri Kitabı, F.O. Düzbastılar (Ed.), 161- 166.
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  • Aktan, Y., Al Asimi, S., Gümüşoğlu, A., Pergent, G. & Pergent-Martini, C. (2009). Gökçeada Kıyılarında Posidonia oceanica (L.) Delile Çayırları İzleme Sistemleri. 15. Ulusal Su Ürünleri Sempozyumu, Rize, Türkiye, 103-105.
  • Aktan, Y. & Aysel, V. (2013). First national workshop on Posidonia oceanica (L.) Delile on the coasts of Turkey. Turkish Marine Research Foundation Publication, 39, 12-79.
  • Aktan, Y. & Gümüşoğlu, A. (2010). Another threat on Posidonia oceanica beds: mucilage effect in Gökçeada Island, North Aegean Sea, Turkey. Proceedings of the 4. Mediterranean Symposium on Marine Vegetation, RAC/spa publ., Tunis, 22-210.
  • Aslan, H., Tekeli, Z. & Bacak, Ö. (2021). Effects of mucilage on the benthic crustacean in the North Aegean Sea. Journal of the Black Sea/Mediterranean Environment, 27(2): 214-231.
  • Balkıs-Ozdelice, N., Durmus, T. & Balcı, M. (2021). A preliminary study on the intense pelagic and benthic mucilage phenomenon observed in the Sea of Marmara. International Journal of Environment and Geoinformatics, 8(4), 414-422.
  • Bilgili, L., Çetinkaya, A.Y. & Sarı, M. (2022). Analysis of the effects of domestic waste disposal methods on mucilage with life cycle assessment. Marine Pollution Bulletin, 180, 113813.
  • Boudouresque, C.F., Bernard, G., Bonhomme, P., Charbonnel, E., Diviacco, G., Meinesz, A., Pergent, G., Pergent-Martini, C., Ruitton, S. & Tunesi, L. (2012). Protection and conservation of Posidonia oceanica meadows. RAMOGE & RAC/SPA, Monaco. pp:202
  • Cirik, Ş. & Cirik, S. (2017). Su Bitkileri (Deniz bitkilerinin biyolojisi, ekolojisi, yetiştirme teknikleri). Ege Üniversitesi Su Ürünleri Fakültesi Yayınları,İzmir. p: 5-145.
  • Danovaro, R., Fonda Umani, S. & Pusceddu, A. (2009). Climate Change and the Potential Spreading of Marine Mucilage and Microbial Pathogens in the Mediterranean Sea. PLOS ONE, 4(9), e7006.
  • Demir, E.İ. & Turkoglu, M. (2022). Temporal variations of phytoplankton community and their correlation with environmental factors in the coastal waters of the Çanakkale Strait in 2018. Oceanologia, 64(1), 176- 197.
  • Descamp, P., Cornu, T., Bougerol, M., Boissery, P., Ferlat, C., Delaruelle, G., Deter, J., Gobert, S. & Ozhan, E. (2017). Experimental transplantation of Posidonia oceanica, Mediterranean Coastal Foundation.13th International MEDCOAST Congress on Coastal and Marine Sciences, Engineering, Management and Conservation, MEDCOAST 2017, Malta, 1-225.
  • Di Carlo, G., Badalamenti, F., Jensen, A.C., Koch, E.W. & Riggio, S. (2005). Colonisation process of vegetative fragments of Posidonia oceanica (L.) Delile on rubble mounds. Marine Biology, 147(6), 1261-1270.
  • Díaz-Almela, E. & Duarte, C. (2008). Management of Natura 2000 habitats. 1120* Posidonia beds (Posidonion oceanica). Directive 92/43/EEC on the conservation of natural habitats and of wild fauna and flora. European Commission, Belgium, 1-32.
  • Dural, B. (2010). Phenological observations on Posidonia oceanica (L.) Delile meadows along the coast of Akkum (Sığacık Bay, Aegean Sea, Turkey). J. Black Sea/Mediterranean Environment, 16(1), 133-144.
  • Dural, B., Aysel, V. & Demir, N. (2013). Posidonia oceanica (L.) Delile on the coasts of Turkey. First National workshop on Posidonia oceanica (L.) Delile on the coasts of Turkey. 19-20 September 2013, Gökçeada, Türkiye, 1-19.
  • Eker-Develi, E., Tekdal, D., Demet, A.E., Yıldız, H.B. & Kideys, A.E. (2023). Morphology, Molecular Genetics and Potential Importance for Mucilage Events of the New Coccolithophorid Ochrosphaera neapolitana in the Sea of Marmara. Journal of Marine Science and Engineering, 11(3), 468.
  • Erduğan, H. (2022). Müsilajın Çanakkale Boğazı Makro Alglerine Etkisi. Çanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 5(Special Issue), 33-37.
  • Fourqurean, J.W., Duarte, C.M., Kennedy, H., Marbà, N., Holmer, M., Mateo, M. A., Apostolaki, E.T., Kendrick, G.A., Krause-Jensen, D., McGlathery, K.J. & Serrano, O. (2012). Seagrass ecosystems as a globally significant carbon stock. Nature Geoscience, 5(7), 505-509.
  • Giani, M., Savelli, F., Berto, D., Zangrando, V., Ćosović, B. & Vojvodić, V. (2005). Temporal dynamics of dissolved and particulate organic carbon in the northern Adriatic Sea in relation to the mucilage events. Science of the Total Environment, 353(1-3), 126-138.
  • Gobert, S., Cambridge, M.L, Velimirov, B., Pergent, G., Lepoint, G., Bouquegneau, M.J., Dauby, P., Pergent, C.M. & Walker, D.I. (2006). Biology of Posidonia. Larkum A.W.D, Orth R.J. & Duarte C.M. (Eds.). Seagrasses: Biology, ecology and conservation. Part 17. Springer.
  • Hurd, C.L., Harrison, P.J., Bischof, K. & Lobban, C.S. (2014). Seaweed Ecology and Physiology. Cambridge University Press, Cambridge, 366p.
  • Koncagül, M., Dülger, N.E. & Yinanç, A. (2022). Dünyada ve Marmara Denizi’nde Müsilaj Oluşumu ve Etkileri. European Journal of Engineering and Applied Sciences, 5(2), 73-79.
  • Koçak, F., Uluturhan, E., Yücel, Gier, G. & Önen, A. (2011). Impact of environmental conditions on Posidonia oceanica meadows in the Eastern Mediterranean Sea. Indian Journal of Geo-Marine Sciences. 40(6), 770-778.
  • Meinesz, A., Cirik, Ş., Akcali, B., Javel, F., Migliaccio, M., Thibaut, T., Yüksek, A. & Procaccini, G. (2009). Posidonia oceanica in the Marmara Sea. Aquatic Botany, 90(1), 18-22.
  • Mtwana Nordlund, L., Koch, E.W., Barbier, E.B. & Creed, J.C. (2016). Seagrass Ecosystem Services and Their Variability across Genera and Geographical Regions. PLOS ONE, 11(10), e0163091.
  • Öz, İ., Yağlı, H. & Ak, İ. (2014). Preliminary study on the distribution of Posidonia oceanica along the Dardanelles Strait. 5th Mediterranean Symposium on Marine Vegetation, Portorož, Slovenia, 125-130.
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There are 45 citations in total.

Details

Primary Language Turkish
Subjects Ecology (Other)
Journal Section Symposium of National Underwater Scientific and Values (USUBADES-2022), 20-22 October 2022
Authors

İlknur Ak 0000-0002-0233-0025

Cahide Çiğdem Yığın 0000-0002-8808-2252

Adnan Ayaz 0000-0003-4839-9244

Uğur Altınağaç 0000-0002-3638-9834

Alkan Öztekin 0000-0003-3914-9788

Yusuf Şen 0000-0002-0595-4618

Koray Cabbar 0000-0001-5254-1384

Melis Yılmaz 0000-0002-8776-2117

Gençtan Erman Uğur 0000-0002-3131-9239

Özge Özgür 0000-0003-0446-7794

Sibel Atak 0000-0002-1320-2598

Damla Korkut 0000-0003-3740-5610

Project Number 121G087
Early Pub Date December 30, 2023
Publication Date December 31, 2023
Submission Date December 30, 2022
Acceptance Date April 24, 2023
Published in Issue Year 2023 Volume: 8 Issue: 4

Cite

APA Ak, İ., Yığın, C. Ç., Ayaz, A., Altınağaç, U., et al. (2023). Müsilajın Çanakkale Boğazı’nda Dağılım Gösteren Posidonia oceanica Çayırlarına Etkisi. Journal of Anatolian Environmental and Animal Sciences, 8(4), 764-772. https://doi.org/10.35229/jaes.1226546
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