Jan-Olaf Meynecke

Jan-Olaf Meynecke
Griffith University · Coastal and Marine Research Centre, Cities Institute

PhD, MPhil
www.whalesandclimate.org www.hhr.org.au

About

44
Publications
26,477
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
3,533
Citations
Additional affiliations
August 2014 - present
Griffith University
Position
  • Adj. Research Fellow

Publications

Publications (44)
Article
Full-text available
Humpback whales, Megaptera novaeangliae , are a highly migratory species exposed to a wide range of environmental factors during their lifetime. The spatial and temporal characteristics of such factors play a significant role in determining suitable habitats for breeding, feeding and resting. The existing studies of the relationship between oceanic...
Article
Full-text available
Seasonal feeding behaviour of humpback whales (Megaptera novaeangliae) has been observed in the coastal waters of the Southern Benguela where the species has been observed forming super-groups during the austral spring in recent years since 2011. Super-groups are unprecedented densely-packed aggregations of between 20 and 200 individuals in low-lat...
Article
Full-text available
The study of marine mammals is greatly enhanced through fine scale data on habitat use. Here we used a commonly available asset tracker Global Positioning System/Global Systems for Mobile Communication (GPS/GSM) integrated into a CATS suction cup tag to test its feasibility in providing real time location position on migrating humpback whales in co...
Article
Humpback whales (Megaptera novaeangliae) require a suite of essential habitats during their long migration. Therefore, the identification of critical habitats is important for continuation of their successful recovery. In this study we investigated the behaviours and habitat usage exhibited by humpback whales in two known aggregation sites on the e...
Article
Whale-watching is a global tourism industry whose annual revenue exceeds two billion dollars. Australia is a key player in this industry, especially on the east and west coast where humpback whales migrate each year between their breeding and feeding grounds. However, the global whale-watching industry faces uncertainty from changing whale migratio...
Article
The Gold Coast bay in eastern Australia has been hypothesised to be an important habitat, primarily for humpback whale (Megaptera novaeangliae) mother-calf pairs. Here we investigated relative distribution , and temporal patterns from 2,305 humpback whales between 2011 to 2017. The data were collected from whale-watching vessels using citizen scien...
Article
Globally, baleen whales were severely depleted by historic whaling. Recovering populations have been observed to alter their behaviour. These changes have been attributed to climate change in some cases and raise concerns over the successful recovery of baleen whale populations. Current data‐driven statistical habitat and behavioural models have pr...
Article
Full-text available
Mangroves are critical nursery habitats for fish and invertebrates, providing livelihoods for many coastal communities. Despite their importance, there is currently no estimate of the number of fishers engaged in mangrove associated fisheries, nor of the fishing intensity associated with mangroves at a global scale. We address these gaps by develop...
Article
The majority of humpback whales (Megaptera novaeangliae) undertake an annual migration from high latitude feeding grounds to tropical/subtropical breeding grounds. Suitable calving habitat for this species includes warm (typically 19°C to 28°C), shallow, sheltered waters in tropical and subtropical waters. Here, we investigated occurrence of calvin...
Article
Full-text available
Tree stems swell and shrink daily, which is thought to reflect changes in the volume of water within stem tissues. We observed these daily patterns using automatic dendrometer bands in a diverse group of mangrove species over five mangrove forests across Australia and New Caledonia. We found that mangrove stems swelled during the day and shrank at...
Article
Full-text available
Mangrove–saltmarsh tidal wetlands are highly dynamic ecosystems, responding and adapting to climate and physical conditions at all spatial and temporal scales. Knowledge of the large-scale ecosystem processes involved and how they might be influenced by climate variables is highly relevant today. For tidal-wetland sites well within the latitudinal...
Article
Full-text available
Whale watching is a billion dollar industry worldwide. One of the most popular species for whale watching is the humpback whale (Megaptera novaeangliae). The migratory corridors, feeding, resting and calving sites which are used for whale watching may be influenced by changing ocean currents and water temperatures. Here, we used an innovative appro...
Article
Entanglement of marine mammals in fishing gear is recognised worldwide and is a continuous management concern. Gill-net entanglement data from the Queensland Shark Control Program (QSCP) on the Gold Coast, Australia, from 1990 to 2012 were analysed in the present study. Environmental drivers that may affect entanglements of humpback whales (Megapte...
Conference Paper
Full-text available
Impacts of climate change on natural and human 'systems' are often difficult to assess due to high uncertainty and the need to integrate trans-disciplinary knowledge. This includes the worldwide, billion-dollar whale watching industry that depends on some key species such as the humpback whale. The migratory corridors, feeding, resting and calving...
Article
Full-text available
Meynecke, J-O. and Meager, J., 2016. Understanding strandings: 25 years of humpback whale strandings (Megaptera novaeangliae) in Queensland, Australia In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No...
Article
Full-text available
Large-scale migration patterns of humpback whales, Megaptera novaeangliae, are quite well known; however, small-scale distribution patterns and relationships with environmental conditions have received less attention. Protection from a range of threats, as well as predicting the effects of climate change, requires knowledge of preferred habitat and...
Research
Full-text available
Climate Change adaptation in the whale watch industry.
Article
Full-text available
Assessing bull shark (Carcharhinus leucas) behavior is relevant for conservation and risk management. However, information on bull sharks-in particular, behavior of juvenilesis very limited in some parts of the world. Studying small-scale habitat use of juvenile bull sharks is challenged by their preferred habitats in estuarine en- vironments with...
Article
Full-text available
The mud crab Scylla serrata is a highly exploited species, associated to mangrove ecosystems in the Indo-West-Pacific. It has a complex life cycle with a dispersing larvae phase, and benthic juveniles and adults. The former are stenohaline depending on high-salinity conditions to survive, whereas the latter are physiologically well adapted to chang...
Article
Mud crabs (Scylla spp.) are intensively caught throughout South-East Asia and support a very substan-tial commercial, recreational fishing and aquaculture industry. Identification of individual animals isimportant to improve understanding and management of this species. However, tagging of crustaceansis difficult as they frequently molt and interna...
Article
Dense tropical rainforest, waterfalls and shallow riffle-run-pool sequences pose challenges for researcher access to remote reaches of streams for surveying aquatic fauna, particularly when using capture-based collecting techniques (e.g. trapping, backpack and boat electrofishing). We compared the detection of aquatic species (vertebrates and inver...
Conference Paper
Full-text available
The aim of this study is to use touch-screen computer tablet technology (e.g. iPAD) and its interactive flight console capabilities (e.g. touch screen 'sliders') as an improved method to stakeholder-driven climate change adaptation research. Climate change vulnerability and adaptation have strong human dimensions meaning that the experiences of sta...
Conference Paper
Full-text available
society/index.php/iemss-2014-proceedings Abstract: Increased carbon dioxide emissions are driving changes in the chemistry of seawater in a process termed 'ocean acidification' (OA). Globally, this is predicted to impact on coastal fisheries, especially those consisting of calcifying organisms (e.g. mollusks and crustaceans). The impact might also...
Technical Report
Full-text available
This project assessed the abundance and distribution of fish and crustaceans in a mangrove forest in northern NSW in response to habitat modification. The study commenced on the 1st February 2010 and ended on the 1st April 2013. The study site was subject to modification of tidal hydrology in July 2011 to enhance tidal connection into the basin (ch...
Article
Full-text available
The giant mud crab (Scylla serrata) is an important fisheries species throughout southeast Asia and the South Pacific. In Australia, marine protected areas (MPAs) and fish habitats have been declared specifically to protect the local populations of S. serrata. The cannibalistic behaviour of S. serrata coupled with the potential attraction of increa...
Article
The east coast of Australia experiences one of the world's largest annual humpback whale (Megaptera novaeangliae) migration, with an estimated 14 000 individuals in 2010. However, increasing coastal development is accelerating the environmental pressure on migrating marine megafauna. Consequently, solutions to better manage humpback whale presence...
Article
Mud crabs (Scylla spp.) are a high value commodity harvested in the Indo-West Pacific. Scylla species support important artisanal fisheries in south-east Asia and intensive commercial fisheries in Australia where the market demand and catch has increased markedly over the last decade. Over-fishing of Scylla spp. has been observed at varying levels...
Article
Full-text available
Patterns in the Southern Oscillation Index (SOI) affect the life history of many aquatic organisms in the southern hemisphere. We examined the effect of this phenomenon and other factors (i.e. rainfall, river flow and sea surface temperature, SST) on the commercial harvest of the giant mud crab (Scylla serrata) in Australia, given the large inter-a...
Article
Full-text available
Estuaries are widely recognized as key habitats supporting nearshore secondary production and catch of commercial fisheries. In Queensland, some of these coastal marine habitats are protected by the declared fish habitat programme run by the Department of Primary Industries and Fisheries. Expected environmental changes for Australian estuarine syst...
Article
Full-text available
This article was submitted without an abstract, please refer to the full-text PDF file.
Article
Full-text available
The speculation that climate change may impact on fish production suggests a need to understand how these effects influence fisheries catch on a broad scale. Mud crabs (Scylla serrata) are a highly valued commercial species and the demand as well as their catch rates have increased continuously over the past decade throughout Australia. Scylla serr...
Article
We assessed movement patterns in relation to habitat availability (reflected by the extent of tidal flooding) for several commercially and recreationally important species in and out of a small mangrove creek within the subtropical Burrum River estuary (25°10′S 152°37′E) in Queensland, Australia. Movement patterns of Acanthopagrus australis, Pomada...
Article
Mangroves are defined by the presence of trees that mainly occur in the intertidal zone, between land and sea, in the (sub) tropics. The intertidal zone is characterised by highly variable environmental factors, such as temperature, sedimentation and tidal currents. The aerial roots of mangroves partly stabilise this environment and provide a subst...
Article
Many commercially important fish species use coastal marine environments such as mangroves, tidal flats and seagrass beds as nurseries or breeding grounds. The ecological importance of spatially connected habitats to conservation is well established for terrestrial environments. However, few studies have applied spatial metrics, including measures...
Article
Full-text available
Worldwide, estuaries have been recognized as critical habitats for nearshore fish productivity through their capacity as nursery grounds and nutrient sources. The purpose of this study was to demonstrate the importance of the habitat characteristics of estuaries to commercial fish catch in Queensland, Australia, with particular focus on the role of...
Article
The speculation that climate change may impact on sustainable fish production suggests a need to understand how these effects influence fish catch on a broad scale. With a gross annual value of A$ 2.2 billion, the fishing industry is a significant primary industry in Australia. Many commercially important fish species use estuarine habitats such as...
Article
Full-text available
Plant protection products have to be evaluated and authorised in the EU-Member States since 1993 in accordance with Council Directive 91/414/EEC. This Directive formed the framework for a European-wide harmonised regulatory system for the evaluation and authorisation of plant protection products and the active substances in theill. A two-stage regi...
Article
This paper assesses potential changes in the distributions of 12 endemic rainforest vertebrates of the Wet Tropics of Northeastern Australia in response to global warming predictions. It is based on projecting models of current geographic distribution to modelled future conditions taken from regional climate models. In comparing vertebrate species...

Projects

Projects (2)
Archived project
We reckon the condition and changes taking place in mangrove tidal wetlands can be used as indicators and proxies showing both the types of change, the severity of each change, and the responsible drivers of change. Our aim is to document each of the processes taking place (as human disturbances as well as 'natural' changes) making sure we primarily gain a broad appreciation and understanding of the combination of factors involved and their relative importance. Specific case studies will be described and published opportunistically. A good example is the recent severe dieback of mangroves in Australia's Gulf of Carpentaria...