World Dendro Conference Abstract Deadline Extended to Sep. 6

The 9th International Conference on Dendrochronology, also known as ‘World Dendro,’ is currently accepting abstracts and has extended the abstract deadline to Friday, September 6, 2013. The conference will be held January 13-17 in Melbourne, Australia, and will be preceded by a field week to be held January 5-11 in Tasmania.

Abstracts can be submitted here.

Novus participants may be particularly interested in the following sessions and symposia:

Stable isotopes in tree rings: research frontiers, novel applications and new analytical methods: The stable isotopic analysis of tree-rings is becoming an ever-more accessible, and increasingly important tool within tree-ring research for obtaining retrospective insight into plant physiological responses to climate and other environmental variables. However, in parallel with these developments come new and equally exciting challenges to our mechanistic understanding of isotope fractionation and the wider application of these techniques. Rather than focusing specifically upon isotope dendroclimatology, this session will explore the wide range of recent developments in this field including: analytical methods, tree physiology, novel or advanced applications and isotopic data analysis. This session is aimed at scientists who produce isotopic data, and importantly, also at those who use and interpret it. We invite talks on topics surrounding the development and advancement of isotope-informed dendroclimatology and plant physiology. Our proposed isotope session is aimed at scientists who produce isotopic data, and importantly, also at those who use and interpret it.

Insect outbreaks, tree-ring networks, and climate change: How climate change will influence the impact of disturbances on northern forest ecosystems is currently of concern to scientists, forest managers and policy makers. Species ranges are expected to shift northward and for mobile species such as insects this will mean accessing forest ecosystems where their impact in the past was probably limited. The potential for warmer global temperatures to alter the spatial and temporal synchrony of interspecific interactions and create trophic mismatches may well initiate changes to the distribution, frequency, magnitude and impact of forest insect outbreaks. Studies of projected climate warming scenarios generally predict an increase in the negative impacts of insect herbivores on forest productivity and shifts in their biogeographical range limits. This has been documented with the use of dendroecology in some forest ecosystems (Larch bud moth in the Alps, Birch bud moth in northern Norway). The corresponding response of forest plant communities following new disturbance regimes and subsequent novel ecosystem feedbacks could potentially transform the structure and function of forests. Additionally the impact of climate change on other disturbance regimes (fire) will also have to be considered as it will affect outbreak characteristics. Dendroecology provides a temporal window that may help understanding past changes in disturbance characteristics such as severity, periodicity and spatial patterns. However, we have just begun to gather enough information to analyze insect outbreak networks at regional scales. The potential for regional tree-ring networks of insect outbreaks provides a potentially rich source of information on the interactions between climate and outbreaks, as well as fires. We invite speakers working on a wide range of insect species exhibiting different outbreak behaviour and characteristics from different parts of the world.

The signatures of discrete events in tree rings: Dendroclimatic reconstructions based on ring widths or densities to develop tree-climate relationships are key elements in understanding climate processes and how they are changing. However, more information about the environment potentially is available in the rings. It has been long known that events such as fire, extreme cold, infestation, forceful blows, and inundation, are apparent in anatomical features of tree rings. The signature anatomical features resulting from events such as the appearance of lightwood, disrupted cells, scars, traumatic resin ducts, callus and woundwood formation, and other compartmentalization processes may be specific to or shared among different types of events, depending on the action of the event on the different organs (stem vs. root cambium, vs. buds, vs. leaves) and season of year. Further, the way that different tree taxa respond to the events varies. We invite talks that discuss tree ring anatomical characteristics in response to these topics, and using the available literature, comparing variability among common taxa used in tree ring analysis. We are looking for a a range of presentations relating the biological processes of response to the event to the signatures in the wood and how they vary by taxa.


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