Processes entangling interactions in communities: forbidden links are more important than abundance in a hummingbird–plant network

…, PK Maruyama, M Sazima - Proceedings of the …, 2014 - royalsocietypublishing.org
Understanding the relative importance of multiple processes on structuring species interactions
within communities is one of the major challenges in ecology. Here, we evaluated the …

Plant-pollinator networks in the tropics: a review

…, CS de Souza, J Ollerton, AR Rech, M Sazima - Ecological networks in …, 2018 - Springer
Most tropical plants rely on animals for pollination, thus engaging in complex interaction
networks. Here, we present a global overview of pollination networks and point out research …

Beyond neutral and forbidden links: morphological matches and the assembly of mutualistic hawkmoth–plant networks

…, PE Oliveira, M Sazima… - Journal of Animal …, 2016 - Wiley Online Library
A major challenge in evolutionary ecology is to understand how co‐evolutionary processes
shape patterns of interactions between species at community level. Pollination of flowers …

Bat-pollinated flower assemblages and bat visitors at two Atlantic forest sites in Brazil

M Sazima, S Buzato, I Sazima - Annals of Botany, 1999 - academic.oup.com
A comparison between bat-pollinated plant assemblages at two sites in different altitudinal
ranges covered by the Atlantic rainforest in southeastern Brazil is presented. The lowlands (5–…

Functional diversity mediates macroecological variation in plant–hummingbird interaction networks

…, S Watts, C Rahbek, M Sazima… - Global Ecology and …, 2018 - Wiley Online Library
Aim Species interaction networks are known to vary in structure over large spatial scales.
We investigated the hypothesis that environmental factors affect interaction network structure …

Avoidance of achromatic colours by bees provides a private niche for hummingbirds

…, S Papiorek, T Eltz, M Sazima - Journal of Experimental …, 2011 - journals.biologists.com
That hummingbird-pollinated plants predominantly have red flowers has been known for
decades, but well-investigated research studies are still rare. Preference tests have shown that …

An assemblage of hummingbird‐pollinated flowers in a montane forest in southeastern Brazil

I Sazima, S Buzato, M Sazima - Botanica Acta, 1996 - Wiley Online Library
Relationships between ornithophilous flowers and hummingbirds have been little studied in
southern South America, where hummingbird species richness is low. We studied an …

[HTML][HTML] Specialization in plant-hummingbird networks is associated with species richness, contemporary precipitation and quaternary climate-change velocity

…, PA Cotton, C Lara, CG Machado, I Sazima, M Sazima… - PloS one, 2011 - journals.plos.org
Large-scale geographical patterns of biotic specialization and the underlying drivers are
poorly understood, but it is widely believed that climate plays an important role in determining …

Bat pollination of the passion flower, Passiflora mucronata, in southeastern Brazil

M Sazima, I Sazima - Biotropica, 1978 - JSTOR
The pollination by bats of the passion flower, Passiflora mucronata, has been studied in
southeastern Brazil. Experiments indicate that the flowers are self-incompatible. They are …

Influences of sampling effort on detected patterns and structuring processes of a Neotropical plant–hummingbird network

…, LS Duarte, B Dalsgaard, M Sazima - Journal of Animal …, 2016 - Wiley Online Library
Virtually all empirical ecological interaction networks to some extent suffer from undersampling.
However, how limitations imposed by sampling incompleteness affect our understanding …