Reproduction strategies of stony corals (Scleractinia) in an equatorial, Indonesian coral reef [Elektronische Ressource] : contributions for the reef-restoration / vorgelegt von Sascha Bernd Carsten Romatzki

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Reproduction strategies of stony corals (Scleractinia) in an equatorial, Indonesian coral reef. Contributions for the reef-restoration Dissertation zur Erlangung des Doktorgrades der Naturwissenschaften – Dr. rer. nat. – im Fachbereich 2 (Biologie/Chemie) der Universität Bremen vorgelegt von Sascha Bernd Carsten Romatzki angefertigt am Zentrum für Marine Tropenökologie Center for Tropical Marine Ecology Bremen 2008 Gutachter der Dissertation: 1. Gutachter: Prof. Claudio Richter 2. Gutachter: Dr. Andreas Kunzmann Mitglieder der Prüfungskommssion: 1. Prüfer: Prof. Kai Bischof2. Prüfer: Dr. Uwe Krumme 1. weiteres Mitglied: Cornelia Roder2. weiterAnne Buhmann Tag des öffentlichen Kolloquiums: 30. Januar 2009 „So eine Arbeit wird eigentlich nie fertig, man muss sie für fertig erklären, wenn man nach Zeit und Umständen das Möglichste getan hat.“ (Goethe; zur Iphigenie, aus der Italienischen Reise 1786)List of PapersThis thesis is based on the scientific publication listed below. The specific contributions of each of the authors in term of idea and concept development, data aquisition and analysis, as well as manuscript writing for the respective publication are indicated.Publication ITitle: Determination of fine-scale temporal variation in acroporid and pocilloporid settlement in North Sulawesi, IndonesiaAuthors: S.B.C. Romatzki and A.

Sujets

• Biologie

Informations

• Publié par: universitat_bremen
• Publié le: 01 janvier 2009
• Nombre de lectures: 213
• Langue: English
• Poids de l'ouvrage: 4 Mo

Extrait

Reproduction strategies of stony corals
(Scleractinia) in an equatorial, Indonesian coral reef. Contributions for the reef-
restoration

Dissertation zur Erlangung des Doktorgrades der
Naturwissenschaften
– Dr. rer. nat. –
im Fachbereich 2 (Biologie/Chemie)
der Universität Bremen

vorgelegt von
Sascha Bernd Carsten Romatzki

angefertigt am
Zentrum für Marine Tropenökologie
Center for Tropical Marine Ecology
en 2008emrB

Dissertation: derGutachter

1. Gutachter: 2. Gutachter:

Prof. Claudio Richter

Andreas Kunzmann . Dr

Prüfungskommssion: derMitglieder

1. Prüfer: 2. Prüfer:

Prof. Kai Bischof

. Uwe Krumme Dr

Cornelia Roderes Mitglied: 1. weiter

Anne Buhmannes Mitglied: 2. weiter

fentlichen Kolloquiums: 30. Januar 2009 ag des öfT

d eigentlich nie fertig, Arbeit wir„So eine

man muss sie für fertig erklär en,

wenn man nach Zeit und Umständen das Möglichste getan hat.“

(Goethe; zur Iphigenie, aus der Italienischen Reise 1786)

List of Papers

This thesis is based on the scientific publication listed below

The specific contributions of each .

of the authors in term of idea and concept development, data aquisition and analysis, as well as

manuscript writing for the respective publication are indicated.

Publication I

Determination of fine-scale temporal variation in acroporid and pocilloporid settlement in itle:T

North Sulawesi, Indonesia

A. Kunzmann S.B.C. Romatzki and Authors:

Marine Ecology Progress Series (submitted)Journal:

The original idea and concept of this publication was developed by S.B.C. Romatzki, who also

independently conducted all of the fieldwork and sample processing. Data analyses were carried

The manuscript was written by S.B.C. out by S.B.C. Romatzki with input by S. Schmidt-Roach.

A. Kunzmann.Romatzki, with revesions and improvement by

Publication II

Gametogenesis of four scleractinian corals in the Celebes Seaitle:T

Authors:A. Kunzmann S.B.C. Romatzki and

Journal:1th International Coral Reef Symposium (submitted) Proceedings of the 1

The original idea and concept of this publication was developed by S.B.C. Romatzki, who also

The manuscript was written independently conducted all of the fieldwork and sample processing.

A. Kunzmann.by S.B.C. Romatzki, with revesions and improvement by

Publication III

Acropora transplants: Determining the influence of an electrical field on the performance of itle:T

Comparison of various transplantation structures

S.B.C. RomatzkiAuthor:

Journal of Experimental Marine Biology (submitted)Journal:

The original idea and concept of this publication was developed by S.B.C. Romatzki, who also

independently conducted all of the fieldwork and sample processing. The concept of experiment

3 in this publication was developed by S.B.C. Romatzki, S.C.A. Ferse and E. Borell. Data analy-

The manuscript was written by ses were carried out by S.B.C. Romatzki with input by E. Borell.

S.B.C. Romatzki, with revesions and improvement by M. Schmid, K. von Juterzenka and J.-H.

fen.Stef

Content

Acknowledgements………………………………………………………………….……….....I

Summary…………………………………………………………………………….………..III

Zusammenfassung…………………………………………………………………….……...VI

Thesis Overview……………………………………………………….………....1 1 – Chapter

1. General Intr

1.1.2

1.1.3

oduction…………………………………………………………….……….....3 1.1 Reproduction in scleractinian corals……………………………………….………..3

1.1.1 Asexual ……………………………………………….……..3oductioneprr

……………………………………….…….………...4oductioneprrSexual

…………………………………………………................4spawningMass

oduction in high latitude vs equatorial r1.1.4 Repreefs………………...............5

1.2 Reef restoration and reef rehabilitation……………..…………………….……..….6

……………………………………………………..………6os and cons1.2.1 Pr

estoration” and what is “r1.2.2 What is “rehabilitation” then……….…….….7

………………………………………….……....7oaches1.2.3 Old and new appr

………………………………………….……....91.2.4 Using of coral fragments

Aims of the thesis…………………………………………………………….……..91.3

2. General Material & Methods……………………………………………………….…….10

Area………………………………………………………………....….…...10Study 2.1

iles……………………………………………………………….…...1T2.2 Settlement 1

2.3 In situ monitoring of reproduction status…………………………………….....…12

2.4 Histological preparation for examination of reproduction status……………….....13

2.5 Surface estimation and zooxanthella-count of coral fragments………………..….14

3. General Results & Discussion…………………………………………………………….14

3.1 Reproduction and settlement in equatorial reefs: continuous with seasonal

peaks……………………………………………………………………….…..…14

3.2 Manipulation of coral longitudal growth enhancement……………………….......16

emarks………………………………………………………………….…....174. Concluding r

ences………………………………………………………………………….………195. Refer

I………………………………………………………………………….27 2 – PaperChapter

Determination of fine-scale temporal variation in acroporid and pocilloporid settlement in

North Sulawesi, Indonesia

II………………………………………………………………………...50 3 – PaperChapter

Gametogenesis of four scleractinian corals in the Celebes Sea

III………………………………………………………………………..64 4 – PaperChapter

Determining the influence of an electrical field on the performance of

Comparison of various transplantation structures

transplants: oporaAcr

Appendix……………………………………………………………………………………..92

Disclaimer…………………………………………………………………………………....94

Acknowledgements

f for agreeing to supervise this thesis in first place, but olfWI would like to thank Prof. Matthias

, who took over the supervision in the very last minute special thanks go to Prof. Claudio Richter

Thanks a lot to both for making the change so uncomplicated. I due to a very tide time schedule.

Andreas Kunzmann, who implemented the idea to conduct a PhD . further would like to thank Dr

thesis in Indonesia and encouraged me to step into the unknown, for his guidance and criticism

throughout the thesis.

My deepest gratitude goes to some very special people in Manado for their generous sponsoring

Thanks to ithout their help I never would have been able to conduct this thesis: Wand support.

Christiane Mueller from Froggies Divers who gave me shelter from the first day of my arrival,

who showed me suitable sites for my project, who gave me my first lessons in Manado Culture

get the uncountable tank-fillings and meals. I also would like to thank and lifestyle. Not to for

, their Hanne Darbol and Gaspare Davi from Gangga Resort and Spa for their generous hospitality

always warm and heartfelt welcome, their unlimited support, interest and open minds for new

. project ideas. Staying at your places was always a feeling of coming home with a touch of holiday

f of these wonderful resorts who always were very helpful.Thanks also to all the great staf

Special thanks to Sebastian Ferse, my roommate, dive buddy and colleague, who was often the

only source of inspiration and scientific input. Despite many difficulties during all the time we

t have been able to conduct my project in Manado without , I for sure wouldn’spend together

him.

Sebastian Schmidt – our MSc student, who came at the “right” time – I would like to thank a

lot for many delicious pancakes…well and some other things of course – but they were not that

Thanks also to Leyla Knittweis and in particular Esther Borell, for collective important ;)….

fering and many encouraging phone calls.suf

Further thanks are dedicated to Fontje Kaligis and family for taking care of me during the first

ambajong Tganized in Manado. Prof. Eddy weeks of my arrival and their help in getting my life or

. for his generous lessons in histological technique and for letting me use his private laboratory

for their assistance with coral tissue preparation and histological Tere and Mer from UNSRAT

sectioning.

Thanks also to those people, who helped me at one point or another in Manado: Dr

. Ineke

Rumengan, who helped me with organizational issues at UNSRAT-University, Asci and Francesco

Angelique & Paul from Murex and Jaakko from Living for a relaxing time on their liverboard,

Colours for help in dive logistics as also Jan & Henriette Bebe for their European humor and

Danish “friendliness”.

I

otok Histirianato for excellent work and help TFollowing people from IPB I would like to thank:

Aktani for supervision, Neviaty Zamani and Pak isa, Unggul Vwith the

and use of the microscope camera.

ganization Adi for the or

I further would like to thank the German community in Indonesia, starting with Harry Palm

s scientific advice, Karen von Juterzenka & Michael and family for their hospitality and Harry’

ganization of a microscope, Schmidt for several weeks of accommodation, supporting words, the or

fen for being a port in numerous corrections on the papers and their friendship, Jan-Henning Stef

stormy seas and a second home during times in Jakarta, Landry Pramoedji and Lutz Kleeberg for

letting me stay in their house for such a long time during the final steps of this thesis.

I also would l