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您的检索式：作者名="Frans Bongers"
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| 1 | Season-al differences in leaf-level physiology give lianas acompetitive advantage over trees in a tropical seasonalforest显示文摘 | CAI Zhi-quan SCHNITZER S A Frans Bongers | 2009 | Oecologia2009，161，： | 1 |
| 2 | Arbuscular mycorrhizal impacts on competitive interactions between Acacia etbaica and Boswellia papyrifera seedlings under drought stress显示文摘Aims Arbuscular mycorrhizal fungi can have a substantial effect on the water and nutrient uptake by plants and the competition between plants in harsh environments where resource availability comes in pulses.In this study we focus on interspecific competition between Acaia etbaica and Boswellia papyrifera that have distinctive resource acquisition strategies.We compared the extent of interspecific competition with that of intraspecific competition.Methods In a greenhouse study we examined the influence of Arbuscular Mycorrhiza(AM)and pulsed water availability on competitive interactions between seedlings of the rapidly growing species A.etbaica and the slowly growing species B.papyrifera.A factorial experimental design was used.The factors were AM,two water levels and five species combinations Important Findings Seedlings of both species benefitted from AM when grown alone,and the positive growth response to pulsed water availability in B.papyrifera seedlings was in contrast with the negative growth response for A.etbaica seedlings.AM also affected the competitive performance of both species.B.papyrifera was not affected by intraspecific competition,whereas A.etbaica was negatively affected compared to the seedlings grown alone.This effect was stronger in the presence of AM.In interspecific competition,A.etbaica outcompeted B.papyrifera.Mycorrhiza and pulsed water availability did not affect the outcome of interspecific competition,and the aggressivity index of A.etbaica remained unchanged.The extent to which AM influences plant competition in a droughtstressed environment may depend on belowground functional traits of the species.AM and pulsed water availability could modify the balance between intraspecific and interspecific competition.By affecting the balance between intraspecific and interspecific competition,both factors could impact the establishment and survival of seedlings. | Emiru Birhane Frank J.Sterck Frans Bongers Thomas W.Kuyper | 2014 | Journal of Plant Ecology2014，7，3： | 1 |
| 3 | Interpreting forest diversity-productivity relationships:volume values,disturbance histories and alternative inferences显示文摘Understanding the relationship between stand-level tree diversity and productivity has the potential to inform the science and management of forests.History shows that plant diversity-productivity relationships are challenging to interpret—and this remains true for the study of forests using non-experimental field data.Here we highlight pitfalls regarding the analyses and interpretation of such studies.We examine three themes:1)the nature and measurement of ecological productivity and related values;2)the role of stand history and disturbance in explaining forest characteristics;and 3)the interpretation of any relationship.We show that volume production and true productivity are distinct,and neither is a demonstrated proxy for economic values.Many stand characteristics,including diversity,volume growth and productivity,vary intrinsically with succession and stand history.We should be characterising these relationships rather than ignoring or eliminating them.Failure to do so may lead to misleading conclusions.To illustrate,we examine the study which prompted our concerns—Liang et al.(Science 354:aaf8957,2016)—which developed a sophisticated global analysis to infer a worldwide positive effect of biodiversity(tree species richness)on“forest productivity”(stand level wood volume production).Existing data should be able to address many of our concerns.Critical evaluations will improve understanding. | Douglas Sheil Frans Bongers | 2020 | Forest Ecosystems2020，7，1： | 0 |
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