False teeth of the Roman world

Crubzy, Eric; Murail, Pascal; Girard, Louis; Bernadou, Jean-Pierre

doi:10.1038/34067

Cited by 123 publications

(62 citation statements)

References 2 publications

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“…1997; Forchhammer et al. 1998; Both et al. 2004), barn swallows bred earlier in warmer years and, consistent with temporal temperature trends, increasingly earlier over the study period.…”

Section: Discussionmentioning

confidence: 99%

“…2012) and large spatial scales (e.g., Forchhammer et al. 1998; Przybylo et al. 2000; Barnagaud et al.…”

Section: Discussionmentioning

confidence: 99%

“…There is evidence that this shift is causally related to increasing spring temperatures (Forchhammer et al. 1998; McCleery and Perrins 1998; Both et al. 2004).…”

Section: Introductionmentioning

confidence: 99%

“…In addition to such linear, long‐term trends, several studies emphasized that bird phenology also responds to short‐term, year‐to‐year variation in the environment, concordant with large‐scale climate phenomena (e.g., the North Atlantic Oscillation [NAO] or the El Niño Southern Oscillation [ENSO], Forchhammer et al. 1998, 2002; Przybylo et al. 2000; Walther et al.…”

Section: Introductionmentioning

confidence: 99%

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Earlier breeding, lower success: does the spatial scale of climatic conditions matter in a migratory passerine bird?

Grimm

Weiß

Kulik

et al. 2015

Ecology and Evolution

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Following over 20 years of research on the climatic effects on biodiversity we now have strong evidence that climate change affects phenology, fitness, and distribution ranges of different taxa, including birds. Bird phenology likely responds to changes in local weather. It is also affected by climatic year‐to‐year variations on larger scales. Although such scale‐related effects are common in ecology, most studies analyzing the effects of climate change were accomplished using climatic information on a single spatial scale. In this study, we aimed at determining the scale‐dependent sensitivity of breeding phenology and success to climate change in a migratory passerine bird, the barn swallow (Hirundo rustica). For both annual broods, we investigated effects of local weather (local scale) and the North Atlantic Oscillation (NAO, large scale) on the timing of breeding and breeding success. Consistent with previous studies in migratory birds we found that barn swallows in Eastern Germany bred progressively earlier. At the same time, they showed reduced breeding success over time in response to recent climatic changes. Responses to climatic variation were observed on both local and large climatic scales, but they differed with respect to the ecological process considered. Specifically, we found that the timing of breeding was primarily influenced by large‐scale NAO variations and to a lesser extent by local weather on the breeding grounds. Conversely, climatic conditions on the local scale affected breeding success, exclusively. The observed decrease in breeding success over years is likely a consequence of scale‐related mismatches between climatic conditions during different breeding phases. This provides further evidence that a species' response of earlier breeding may not be enough to cope with climate change. Our results emphasize the importance of considering the response of ecological processes along different climatic scales in order to better understand the complexity of climate change effects on biodiversity.

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“…1997; Forchhammer et al. 1998; Both et al. 2004), barn swallows bred earlier in warmer years and, consistent with temporal temperature trends, increasingly earlier over the study period.…”

Section: Discussionmentioning

confidence: 99%

“…2012) and large spatial scales (e.g., Forchhammer et al. 1998; Przybylo et al. 2000; Barnagaud et al.…”

Section: Discussionmentioning

confidence: 99%

“…There is evidence that this shift is causally related to increasing spring temperatures (Forchhammer et al. 1998; McCleery and Perrins 1998; Both et al. 2004).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Earlier breeding, lower success: does the spatial scale of climatic conditions matter in a migratory passerine bird?

Grimm

Weiß

Kulik

et al. 2015

Ecology and Evolution

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“…Metals such as stainless steel, titanium and cobalt-chromium alloys have been employed as permanent implants [3,4]. However, there are some problems associated with the use of permanent metallic implants [5][6][7]. The first such problem includes incompatibility of mechanical properties of metallic alloys and natural bone; for example, metal alloys have greater elastic modulus to that of bone [8,9].…”

Section: Introductionmentioning

confidence: 99%

Biodegradable magnesium alloys for orthopaedic applications: A review on corrosion, biocompatibility and surface modifications

Agarwal

Curtin²,

Duffy

et al. 2016

Materials Science and Engineering: C

777

363

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Magnesium (Mg) and its alloys have been extensively explored as potential biodegradable implant materials for orthopaedic applications (e.g. Fracture fixation). However, the rapid corrosion of Mg based alloys in physiological conditions has delayed their introduction for therapeutic applications to date. The present review focuses on corrosion, biocompatibility and surface modifications of biodegradable Mg alloys for orthopaedic applications. Initially, the corrosion behaviour of Mg alloys and the effect of alloying elements on corrosion and biocompatibility is discussed. Furthermore, the influence of polymeric deposit coatings, namely sol-gel, synthetic aliphatic polyesters and natural polymers on corrosion and biological performance of Mg and its alloy for orthopaedic applications are presented. It was found that inclusion of alloying elements such as Al, Mn, Ca, Zn and rare earth elements provides improved corrosion resistance to Mg alloys. It has been also observed that sol-gel and synthetic aliphatic polyesters based coatings exhibit improved corrosion resistance as compared to natural polymers, which has higher biocompatibility due to their biomimetic nature. It is concluded that, surface modification is a promising approach to improve the performance of Mg-based biomaterials for orthopaedic applications.

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Absorbable Filament Technologies: Wire‐Drawing to Enable Next‐Generation Medical Devices

Griebel¹,

Schaffer²

2016

Magnesium Technology 2016

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False teeth of the Roman world

Cited by 123 publications

References 2 publications

Earlier breeding, lower success: does the spatial scale of climatic conditions matter in a migratory passerine bird?

Earlier breeding, lower success: does the spatial scale of climatic conditions matter in a migratory passerine bird?

Biodegradable magnesium alloys for orthopaedic applications: A review on corrosion, biocompatibility and surface modifications

Absorbable Filament Technologies: Wire‐Drawing to Enable Next‐Generation Medical Devices

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