Paul Ormerod
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View article: New orchids in the flora of Vietnam VII (Orchidaceae: tribes Cypripedieae, Cranichideae, Orchideae, and Collabieae)
New orchids in the flora of Vietnam VII (Orchidaceae: tribes Cypripedieae, Cranichideae, Orchideae, and Collabieae) Open
The seventh paper of the series on orchid diversity in Vietnam includes descriptions of four species new to science (Goodyera umbonata, Myrmechis brachyscapa, Rhomboda obcordata, and Vietorchis proboscidea) and five new national records (C…
View article: New orchids in the flora of Vietnam VII (Orchidaceae: tribes Cypripedieae, Cranichideae, Orchideae, and Collabieae)
New orchids in the flora of Vietnam VII (Orchidaceae: tribes Cypripedieae, Cranichideae, Orchideae, and Collabieae) Open
This dataset contains the digitized treatments in Plazi based on the original journal article Averyanov, Leonid V., Nguyen, Van Canh, Vuong, Truong Ba, Nguyen, Khang Sinh, Nuraliev, Maxim S., Nguyen, Cuong Huu, Ormerod, Paul A., Maisak, Ta…
View article: The genus Habenaria (Orchidaceae) in Myanmar
The genus Habenaria (Orchidaceae) in Myanmar Open
A review of the genus Habenaria in Myanmar is presented. Fifty species are recognised, with 11 of them endemic to the country. Only 24 species are well-documented in Myanmar, being known from several to many collections, while the remainin…
View article: <p class="Default">Dendrobium niveolabium (Orchidaceae, section Grastidium), a new Dendrobiinae species from Papua, Indonesia
Dendrobium niveolabium (Orchidaceae, section Grastidium), a new Dendrobiinae species from Papua, Indonesia Open
Dendrobium niveolabium Handoyo, Naive, Ormerod & Champion, a new species of Dendrobium section Grastidium is herein described and illustrated from Papua Province in Indonesia. Detailed description, colour plates, comparison with its allied…
View article: Amended description of the Sumatran endemic Dendrobium bandii (Orchidaceae) with notes on its conservation status and ecology
Amended description of the Sumatran endemic Dendrobium bandii (Orchidaceae) with notes on its conservation status and ecology Open
Dendrobium bandii is a poorly known species endemic to the island of Sumatra, Indonesia. We studied living specimens and we provide here an amended description of the species, colour photographs, as well as information on distribution, eco…
View article: Annotated List of Orchidaceae for Myanmar
Annotated List of Orchidaceae for Myanmar Open
A list of all Orchidaceae recorded for Myanmar is presented, primarily based on many years of research in herbaria and libraries around the world, supplemented by recent fieldwork in various parts of Myanmar. As such, it is intended to for…
View article: The long-lost Myanmar endemic Arundina subsessilis (Orchidaceae) found congeneric with the recently described Chinese Thuniopsis cleistogama
The long-lost Myanmar endemic Arundina subsessilis (Orchidaceae) found congeneric with the recently described Chinese Thuniopsis cleistogama Open
Morphological evidence indicates that the long-lost Arundina subsessilis Rolfe from Upper Myanmar is correctly placed in the genus Thuniopsis L.Li, D.P.Ye & Shi J
View article: Text as data: a machine learning-based approach to measuring uncertainty
Text as data: a machine learning-based approach to measuring uncertainty Open
The Economic Policy Uncertainty index had gained considerable traction with both academics and policy practitioners. Here, we analyse news feed data to construct a simple, general measure of uncertainty in the United States using a highly …
View article: Explaining herding and volatility in the cyclical price dynamics of\n urban housing markets using a large scale agent-based model
Explaining herding and volatility in the cyclical price dynamics of\n urban housing markets using a large scale agent-based model Open
Urban housing markets, along with markets of other assets, universally\nexhibit periods of strong price increases followed by sharp corrections. The\nmechanisms generating such non-linearities are not yet well understood. We\ndevelop an ag…
View article: The genus Corybas in Vietnam, with two new records
The genus Corybas in Vietnam, with two new records Open
An overview of the orchid genus Corybas in Vietnam is presented. It was known to be represented by a single species, C. annamensis. In this article, we report two new records, C. himalaicus, and C. geminigibbus. Detailed descriptions…
View article: Text as Data: Real-time Measurement of Economic Welfare
Text as Data: Real-time Measurement of Economic Welfare Open
Economists are showing increasing interest in the use of text as an input to economic research. Here, we analyse online text to construct a real time metric of welfare. For purposes of description, we call it the Feel Good Factor (FGF). Th…
View article: Understanding the Great Recession Using Machine Learning Algorithms
Understanding the Great Recession Using Machine Learning Algorithms Open
Nyman and Ormerod (2017) show that the machine learning technique of random forests has the potential to give early warning of recessions. Applying the approach to a small set of financial variables and replicating as far as possible a gen…
View article: Notes on the genus Stichorkis (Orchidaceae, Malaxidinae) in Malesia: new combinations, synonyms and lectotypification
Notes on the genus Stichorkis (Orchidaceae, Malaxidinae) in Malesia: new combinations, synonyms and lectotypification Open
41 new combinations, two synonyms and three lectotypifications from the genus Stichorkis are proposed. This work aimed to solve taxonomic ambiguity and nomenclatural crisis for Malesian Stichorkis.
Key words: Malaxideae, new combination…
View article: Stichorkis davidlohmanii (Orchidaceae; Malaxideae), a new species from the southern Philippines
Stichorkis davidlohmanii (Orchidaceae; Malaxideae), a new species from the southern Philippines Open
A new Philippine endemic species, Stichorkis davidlohmanii, is herein described and illustrated. This new species is comparable to S. compressa but distinct by its obovate, slightly conduplicate labellum with a blunt, obtusely rounded when…
View article: A review of the Calanthe group (Orchidaceae) in Myanmar
A review of the Calanthe group (Orchidaceae) in Myanmar Open
A review of the Calanthe group in Myanmar is presented, comprising the representatives of the genera Calanthe, Cephalantheropsis and Phaius. Currently there are 28 Calanthe species, 2 Cephalantheropsis species and 6 Phaius species known in…
View article: Recent origin and evolution of obesity-income correlation across the United States
Recent origin and evolution of obesity-income correlation across the United States Open
From a gene-culture evolutionary perspective, the recent rise in obesity rates around the Developed world is unprecedented; perhaps the most rapid population-scale shift in human phenotype ever to occur. Focusing on the recent rise of obes…
View article: Taxonomic novelties from Cebu: a new species of Vaccinium (Ericaceae) and a new record of Phaius (Orchidaceae) for the Philippines
Taxonomic novelties from Cebu: a new species of Vaccinium (Ericaceae) and a new record of Phaius (Orchidaceae) for the Philippines Open
Vaccinium cebuense (Ericaceae) from Nug-as forest (Alcoy) and the Central Cebu Protected Landscape (Balamban), two of the last remaining forested areas of Cebu Island, Philippines, is here described as a new species. This species is unique…
View article: Precursory studies on the orchid flora of Myanmar with one new species and thirty eight new distribution records
Precursory studies on the orchid flora of Myanmar with one new species and thirty eight new distribution records Open
The new species Calanthe kermodei is described here.In addition, thirty eight new distribution records in the genera Bulbophyllum, Bulleyia, Calanthe, Chrysoglossum, Cleisostoma, Crepidium, Dendrobium, Galearis, Goodyera, Habenaria, Hermin…
View article: Vrydagzynea albostriata Schltr. (Orchidaceae) – new to the flora of Australia, with notes on the identity of V. grayi
Vrydagzynea albostriata Schltr. (Orchidaceae) – new to the flora of Australia, with notes on the identity of V. grayi Open
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
View article: Strategies for Popularisation of Taxonomy in India
Strategies for Popularisation of Taxonomy in India Open
Taxonomy provides a window to the broad understanding of biodiversity.While it is being increasingly recognized that taxonomy is the most important tool for identification and evaluation of living organisms, there is also a growing apprehe…
View article: Market Structure with Interacting Consumers
Market Structure with Interacting Consumers Open
Economic theory has developed a typology of markets which depends upon the number of firms which are present. Much of the literature, however, is set in the context of a given market structure, with the consequences of the structure being …
View article: Predicting Economic Recessions Using Machine Learning Algorithms
Predicting Economic Recessions Using Machine Learning Algorithms Open
Even at the beginning of 2008, the economic recession of 2008/09 was not being predicted. The failure to predict recessions is a persistent theme in economic forecasting. The Survey of Professional Forecasters (SPF) provides data on predic…
View article: Economics
Economics Open
Economics is by no means an empty box. For example, it offers what is possibly the only general law of behaviour in the social sciences, namely that agents react to incentives. Over the past two decades or so, at the micro level, the level…