Harmful Algal Bloom in Yucatan

Transcription

1 4 th Steering Commi.ee Mee0ng Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Harmful Algal Bloom in Yucatan Pensacola, Florida March, 2012

2 Harmful Algal Bloom Yucatán

3 Harmful Algal Bloom Yucatán has no bivalve molluscs harves3ng areas. Objec&ves: Iden3fica3on of species causing red 3de to define toxicity Public awareness program on the risks of water contact and recrea3onal use, and consump3on of marine products exposed to HABs.

4 Red Tide 2003 Species Concentra&on Sampling date Comments Pseudo- nitzschia delica0ssima cel/lt 31/07/03 Non toxic Scripsiella trochoidea (3-9 millones de cel/lt) 2-22/Ago/2003 Harmful Prorocentrun mexicanum (2-5 millones de cel/lt) 02-08/Ago/2003 Harmful Prorocentrun lima (0-500 mil cel/lt) 05-08/Ago/2003 Harmful Cylindrotheca closterium 2 724,000 cel/lt 20 y 22/08/03 Harmful Nitzschia longissima millones de cel/lt 02-09/Ago/2003 Harmful Navicula dydima (16,583 mil cel /lt) 11/08/03 Harmful Prorocentrum mínimum (57,000 cel/lt) 22 y 22/ 08/03 Toxic Karenia brevis (40,000 cel/lt) 20 y 22/08/03 Toxic

5 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 Red Tide 2008 Commi>ee Ac&ons 2008 Red Tide CommiWee MeYng - Overflight Civil defense - Marine sampling SEMAR- SSY- CINVESTAV

6 Commi>ee Ac&ons Coastal surveillance. - Public awaress on the possible risks of red &de in humans by the delivery of brochures with informa&on related to HABs

7 Red Tide 2008 Nitzchia longissima var. reversa, with densi3es of 11 million cels/lt on coastline Scripsiella trochoidea in offshore Source: - Bulle&n 24- jun- 2008, Dr. Jorge A. Herrera- Silveira Primary Produc&on Laboratory, CINVESTAV- IPN, U. Mérida. - Tte. Nav. SM. AM. Biol. Gildardo Alarcón Daowz, E.I.O.P, Marine Secretariat.

8 Sampling: (DPCRS) o Coastal Frecuency o Weekly 9 Collec3on sites : o 3 Chuburná o 3 Progreso o 3 Telchac Puerto. Method: o Gout, (LESP) Red Tide monitoring 2011

9 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 Commi>ee Ac&ons Red Tide, Yucatan 2011 July- november Overflight. SSY - Civil Defense Other ac&vi&es: SAGARPA (Agriculture, Livestock and fisheries Agency) SEDUMA (Urban Development and Ecology Agency)

10 July- novembre Marine samples LESPY- SSY SEDUMA HULKIN CONANP Authori3es of DZILAM DE BRAVO Coopera3ve of PUNTA KOPTÉ Commi>ee Ac&ons Red Tide, Yucatan 2011

11 Commi>ee Ac&ons Red Tide, Yucatan 2011 July- November 26 Estra- Samples (out of the coastal sampling program) 198 Coastal samples COFEPRIS program (Environmental Health Department and LESP)

12 FAN s 2011 (First event) Species: -Scripssiella trochoidea (4, 900,000 cel/l) Location: Rio Lagartos, San Felipe, Las Coloradas Period: July-August Marine Bloom Fish mortality Fuente: Laboratorio Estatal de Salud Pública y Referencia Epidemiológica. SSY

13 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 FAN S 2011 (Second event) Species: -Cylindrotheca closterium (340,000 cel/ L) -Nitzschia longissima ( 1,883, 000 cel/l) -Nitzschia longissima var. reversa (110, 000 cel/l) -Chaetoceros spp. (190, 000 cel/l) -Pleurosigma spp. (193, 000 cel/l) Location: Dzilam de Bravo, Telchac, Puerto, San Crisanto, Chabihau, Santa Clara Period: August-November Fish mortality Fuente: Laboratorio Estatal de Salud Pública y Referencia Epidemiológica. SSY

14 120 Frecuency of species Nitzschia longissima Cylindrotheca closterium Nitzschia longissima reversa Scrippsiella trochoidea Chaetoceros Navicula fragilaria Rhizosolena 0 Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic

15 Quantification and Identification of Phytoplankton Drop method on slides Nalgene bottle 125 ml to collect water Slides Coverslips Pipette Inverted microscope Carl Zeiss

16 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 Analysis of Phytoplankton (Implementation) Sedimentation method Nalgene bottle 125 ml to water collecting Sedimentation chambers Pipette Inverted microscope Olympus Needs: Utermöhl chambers are required to approval of methodologies.

17 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 Toxic species in Yucatan Pyrodinium bahamense Gambierdiscus toxicus (Saxitoxina) (Ciguatoxina y Maitotoxina) Heterocapsa circulariscuasma Prorocentrum lima (Ácido okadaico) Pseudo-nitzschia delicatissima (Ácido Domoico) Prorocentrum mexicanum (Ácido okadaico) Dynophisis caudata (Ácido Okadaico) Prorocentrum minimum (Ácido okadaico)

18 4th Steering Commi.ee Mee0ng, Integrated Assessment and Management of the Gulf of Mexico Large Marine Ecosystem Mayfair Hotel, Coconut Grove, Miami, Florida, March, 2012 Harmful Species in Yucatan Scripssiella trochoidea Peridinium quinquecorne Pleurosigma spp Nitzschia longissima var. reversa Gonyaulax poligramma Cylindrotheca closterium

19 Red Tide Program 2012 Coastal monitoring PM M- 1 Celestún 1 M- 2 Sisal 1 M- 3 Chuburná 1 M- 4, 5 Progreso 2 M- 6 Chicxulub Puerto 1 M- 7 Uymitun 1 M- 8 San Benito Ixil 1 M- 9 Telchac Puerto 1 M- 10 San Crisanto 1 M- 11 Chabihau 1 M- 12 Santa Clara 1 M- 13 Dzilam de Bravo 1 M- 14 Cerrito 1 M- 15 San felipe 1 M- 16 Río Lagartos 1 M- 17 Las Coloradas 1 M- 18 El Cuyo 1 Total 18 Frecuency: January to April and December, once per month. May to November: Twice a month. In case of FAN. It is depending on program needs, according to the commiwee.

20 Marine monitoring Marine monitoring Surface Deep Total Chicxulub Puerto Dzilam de Bravo Total Frecuency : May to November - Once a month

21 Thank you!