Habitats and Biota of the Gulf of Mexico: An Overview

Ward, C. H.; Tunnell, John W.

doi:10.1007/978-1-4939-3447-8_1

Cited by 25 publications

(19 citation statements)

References 6 publications

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“…The oil and gas seeps show that petroleum generation and migration have taken place, but hydrocarbons may be degraded when eventually exposed at the surface (Kennicutt, 2017). In the types of seep considered here, passage of hydrocarbons usually occurs through fracture conduits that carry fluids from the source rock to the surface (Ward, 2017). Hundreds of fractures of various sizes have developed within the southern Junggar Basin, providing conduits for oil and gas seepage (Ji et al, 2008;Sun, 2015;L.…”

Section: Tectonic Controls On Hydrocarbon Migration and Accumulationmentioning

confidence: 99%

“…Oil and gas seeps are defined as the surface expression of an underground petroleum system and are of great importance in oil and gas exploration (Kennicutt, 2017;Körber et al, 2014;Milkov, 2000;Sahling et al, 2016). Many highly productive oil fields owe their existence to the discovery of oil and gas seeps; examples include the Syncrude oil field in Alberta (Canada), several oil and gas fields in the Gulf of Mexico, and the Karamay, Yanchang, and Shuanghe oil fields in China (Etiope, 2015;Liu, 1990;Pouderoux, Coderre, Pedersen, & Cronkwright, 2016;Ward, 2017;Zou et al, 2019). Oil and gas seeps are also useful in understanding the tectono-stratigraphic evolution of a basin (Burton, Moldowan, Magoon, Sykes, & Graham, 2019;Etiope, 2015;Kruglyakova, Byakov, Kruglyakova, Chalenko, & Shevtsova, 2004), hydrocarbon biodegradation (Teske, 2019), and the carbon cycle (Baciu, Ionescu, & Etiope, 2018;Berbesi, di Primio, Anka, Horsfield, & Wilkes, 2014;Lea-Smith et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Diverse oil and gas seeps in the southern Junggar Basin, NW China (piedmont Northern Tian Shan): Origins and links to tectono‐sedimentary evolution

et al. 2019

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The southern Junggar Basin in NW China is a world‐class location for the study of oil and gas seeps, with widely distributed, highly variable oil and gas seeps including gaseous mud volcanoes, liquid oil seeps, and solid bitumen deposits. However, the sources and origins of these seeps are poorly understood, as there are many potential source sequences of Permian to Paleogene age. The uncertainty surrounding the seeps means that it has not been possible to address their significance for oil and gas exploration in the area, and they are not understood in the context of the tectono‐sedimentary evolution of the basin within the piedmont region of the northern Tian Shan Mountains (in the eastern part of the Central Asian Orogenic Belt, CAOB). In the present study, these issues were addressed using combined geological and geochemical methods. Results show that there are five main types of seeps in the region from west to east. Type A seeps originate from Jurassic source rocks and are best represented by the A'erqingou mud volcano. Type B seeps originate mainly from Paleogene source rocks but also contain a Jurassic‐sourced component; they are best represented by the Dushanzi mud volcano. Type C seeps originate from a Cretaceous source and are best represented by the South Anjihai and Horgos oil sands. Type D seeps originate mainly from Jurassic source rocks but also contain a Triassic‐sourced component; they are best represented by the Qigu oil seep. Type E seeps originate from Permian source rocks and are best represented by the Dalongkou bituminous deposit. The primary controls on seep distribution are both sedimentological (deposition of source rock) and tectonic (faulting). The position and burial history of sedimentary centres controlled the distribution and maturation of source rocks. Tectonic faults provided migration pathways and traps for the oil and gas. The results of this study will help to reduce uncertainty during exploration for oil and gas in the area. The findings also have general implications for petroleum systems and exploration in the piedmont areas of foreland basins worldwide.

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Section: Tectonic Controls On Hydrocarbon Migration and Accumulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Diverse oil and gas seeps in the southern Junggar Basin, NW China (piedmont Northern Tian Shan): Origins and links to tectono‐sedimentary evolution

et al. 2019

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“…Although the details are outside the scope of this article, there is widespread evidence of long-term alteration and degradation of the GoM ecosystem prior to 2010 (Peterson et al 2011;Walker et al 2012;Yasuhara et al 2012;Karnauskas et al 2013;Shepard et al 2013;Benitez et al 2014;Davis 2017;Hu et al 2017;Scavia et al 2017;Ward 2017). In addition, exponentially increasing numbers of neritic Kemp's ridleys (both sexes combined) may have contributed to a reduction in per capita availability of Kemp's ridley natural prey and scavenged discarded bycatch from shrimp trawling prior to 2010 (Gallaway et al 2016b;Shaver et al 2016b).…”

Section: Possible Causes Of Carrying Capacity Declinementioning

confidence: 99%

Did Declining Carrying Capacity for the Kemp's Ridley Sea Turtle Population Within the Gulf of Mexico Contribute to the Nesting Setback in 2010−2017?

Caillouet¹,

Raborn

Shaver³

et al. 2018

Chelonian Conservation and Biology

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“…Furthermore, the southern Gulf of Mexico i.e. the Mexican waters according with Ward and Tunnell (2017), has been suggested to be a potential spawning area for Atlantic bluefin tuna due to the marked seasonality of the large individuals catchescaught, which arrive to the southern of the Gulf of Mexico when the sea surface temperature registers the optimum thermal window to carry out the reproductive activity (Abad-Uribarren et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Peer Review #2 of "A possible new spawning area for Atlantic bluefin tuna (Thunnus thynnus): the first histologic evidence of reproductive activity in the southern Gulf of Mexico (v0.1)"

2019

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The number of studies of reproductive biology for Atlantic bluefin tuna carried out in the Gulf of Mexico is significantly lower than those undertaken in the Mediterranean Sea. Four spawning areas have been found for the eastern Atlantic bluefin tuna stock in the Mediterranean Sea, so it is not implausible that there is more than one spawning area in the Gulf of Mexico for the western Atlantic bluefin tuna stock. The individuals used in this study were caught as bycatch by the Mexican surface longline fleet between January and April 2015. A total of 63 individuals ranging between 192 and 293 cm LF (mean = 238 ± 22.52 cm) were measured. Gonads from 46 fish (31 females and 15 males) were collected for histological examination. All the individuals were classified as mature; 25 were reproductively active (in spawning capable and spawning stages). The histological analysis indicates spawning activity in Mexican waters (the southern Gulf of Mexico). Spawning occurred in March and April, when the sea surface temperature was 25.57 °C ± 0.6987 in March and 27.03 °C ± 0.6985 in April. Information on the location of the spawning areas is necessary for a correct management of species. The present study provides the first histological evidence of reproductive activity in Mexican waters, and indicates a wider spawning area, beyond just the northern zone, potentially encompassing the entire Gulf of Mexico.

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Habitats and Biota of the Gulf of Mexico: An Overview

Cited by 25 publications

References 6 publications

Diverse oil and gas seeps in the southern Junggar Basin, NW China (piedmont Northern Tian Shan): Origins and links to tectono‐sedimentary evolution

Diverse oil and gas seeps in the southern Junggar Basin, NW China (piedmont Northern Tian Shan): Origins and links to tectono‐sedimentary evolution

Did Declining Carrying Capacity for the Kemp's Ridley Sea Turtle Population Within the Gulf of Mexico Contribute to the Nesting Setback in 2010−2017?

Peer Review #2 of "A possible new spawning area for Atlantic bluefin tuna (Thunnus thynnus): the first histologic evidence of reproductive activity in the southern Gulf of Mexico (v0.1)"

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